{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata — refreshed continuously.","feed_url":"https://feed.craftedsignal.io/tags/langflow/","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cves":[],"_cs_exploited":false,"_cs_products":["Langflow"],"_cs_severities":["critical"],"_cs_tags":["langflow","code-execution","web-application"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eLangflow is vulnerable to multiple security flaws that could allow a remote attacker to execute arbitrary code on the affected system. Successful exploitation of these vulnerabilities requires the attacker to be authenticated. The specific nature of these vulnerabilities is not detailed in the advisory, however the potential impact is severe, allowing for complete system compromise if successfully exploited. Defenders should prioritize identifying and mitigating installations of Langflow that are exposed to untrusted networks or users.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn authenticated attacker gains initial access to the Langflow application.\u003c/li\u003e\n\u003cli\u003eThe attacker crafts a malicious request targeting one of the unspecified vulnerabilities.\u003c/li\u003e\n\u003cli\u003eThe malicious request is sent to the Langflow server.\u003c/li\u003e\n\u003cli\u003eThe Langflow server processes the request, triggering the vulnerability.\u003c/li\u003e\n\u003cli\u003eThe vulnerability allows the attacker to inject arbitrary code into the Langflow process.\u003c/li\u003e\n\u003cli\u003eThe injected code executes within the context of the Langflow application.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages the initial code execution to escalate privileges.\u003c/li\u003e\n\u003cli\u003eThe attacker achieves arbitrary code execution on the underlying system.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of these vulnerabilities allows a remote, authenticated attacker to execute arbitrary code on the Langflow server. This could lead to a complete compromise of the affected system, including the theft of sensitive data, the installation of malware, and the disruption of services. Given the lack of specific vulnerability details, it is difficult to estimate the precise number of potentially affected installations.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMonitor Langflow application logs for suspicious activity indicative of unauthorized access or code execution.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rules provided in this brief to your SIEM to detect potential exploitation attempts.\u003c/li\u003e\n\u003cli\u003eImplement strict access controls for the Langflow application to minimize the attack surface.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-04T10:39:06Z","date_published":"2026-05-04T10:39:06Z","id":"/briefs/2026-05-langflow-code-exec/","summary":"An authenticated remote attacker can exploit multiple unspecified vulnerabilities in Langflow to achieve arbitrary code execution.","title":"Langflow Multiple Vulnerabilities Allow Code Execution","url":"https://feed.craftedsignal.io/briefs/2026-05-langflow-code-exec/"},{"_cs_actors":[],"_cs_cves":[],"_cs_exploited":false,"_cs_products":[],"_cs_severities":["medium"],"_cs_tags":["langflow","vulnerability","xss","file-manipulation","information-disclosure"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eLangflow is affected by multiple vulnerabilities that could allow attackers to perform malicious actions. While specific details such as CVEs and exploited versions are not provided, the identified vulnerabilities enable attackers to manipulate files, potentially leading to data corruption or unauthorized modifications. The disclosure of sensitive information is another significant risk, potentially exposing credentials or other confidential data. Finally, the possibility of Cross-Site Scripting (XSS) attacks could allow attackers to inject malicious scripts into the Langflow application, affecting user sessions and potentially leading to account compromise.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker identifies a Langflow instance running a vulnerable version.\u003c/li\u003e\n\u003cli\u003eAttacker exploits a file manipulation vulnerability to modify application files.\u003c/li\u003e\n\u003cli\u003eMalicious code injected alters application behavior.\u003c/li\u003e\n\u003cli\u003eAttacker exploits a separate vulnerability to access sensitive configuration files.\u003c/li\u003e\n\u003cli\u003eAttacker gains access to credentials or API keys.\u003c/li\u003e\n\u003cli\u003eAttacker leverages XSS vulnerability to inject malicious JavaScript into a Langflow page.\u003c/li\u003e\n\u003cli\u003eVictim visits the compromised page, executing the attacker\u0026rsquo;s script.\u003c/li\u003e\n\u003cli\u003eAttacker steals user session cookies or redirects the victim to a phishing site.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of these vulnerabilities could result in unauthorized file modifications, leading to application malfunction or data corruption. Sensitive information disclosure can lead to compromised credentials, allowing attackers to gain further access to systems and data. Cross-site scripting can lead to user account compromise, data theft, and further propagation of the attack. The number of affected Langflow instances is currently unknown.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMonitor web server logs for suspicious activity related to file access and modification, focusing on unusual file paths or unexpected HTTP methods (see rule: \u0026ldquo;Langflow Suspicious File Access\u0026rdquo;).\u003c/li\u003e\n\u003cli\u003eImplement strict input validation and output encoding to mitigate the risk of Cross-Site Scripting (XSS) attacks (see rule: \u0026ldquo;Langflow Potential XSS Attempt\u0026rdquo;).\u003c/li\u003e\n\u003cli\u003eRegularly review and update Langflow installations to the latest versions to patch potential vulnerabilities.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-04-20T10:38:57Z","date_published":"2026-04-20T10:38:57Z","id":"/briefs/2026-04-langflow-vulns/","summary":"Multiple vulnerabilities in Langflow allow an attacker to manipulate files, disclose sensitive information, or conduct cross-site scripting attacks.","title":"Langflow Multiple Vulnerabilities","url":"https://feed.craftedsignal.io/briefs/2026-04-langflow-vulns/"},{"_cs_actors":[],"_cs_cves":[],"_cs_exploited":false,"_cs_products":[],"_cs_severities":["high"],"_cs_tags":["CVE-2026-6596","unrestricted-upload","langflow"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eA critical security vulnerability, identified as CVE-2026-6596, has been discovered in langflow-ai langflow, affecting versions up to 1.1.0. The vulnerability resides within the \u003ccode\u003ecreate_upload_file\u003c/code\u003e function of the \u003ccode\u003esrc/backend/base/Langflow/api/v1/endpoints.py\u003c/code\u003e file, specifically in the API Endpoint component. This flaw allows for unrestricted file uploads, potentially enabling attackers to upload and execute malicious files on the server. The vulnerability is remotely exploitable and an exploit has been publicly released, increasing the risk of widespread exploitation. The vendor was notified, but did not respond.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker identifies a Langflow instance running a vulnerable version (\u0026lt;= 1.1.0).\u003c/li\u003e\n\u003cli\u003eThe attacker sends a crafted HTTP POST request to the \u003ccode\u003ecreate_upload_file\u003c/code\u003e API endpoint.\u003c/li\u003e\n\u003cli\u003eThe request includes a malicious file disguised with a permissible extension or without proper validation.\u003c/li\u003e\n\u003cli\u003eThe \u003ccode\u003ecreate_upload_file\u003c/code\u003e function fails to adequately validate the uploaded file type or size.\u003c/li\u003e\n\u003cli\u003eThe malicious file is written to the server\u0026rsquo;s file system in an accessible location.\u003c/li\u003e\n\u003cli\u003eThe attacker crafts a second request to execute the uploaded malicious file. This could involve accessing the file directly via a web browser or triggering its execution through other server-side processes.\u003c/li\u003e\n\u003cli\u003eSuccessful execution of the file grants the attacker arbitrary code execution on the server.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages code execution to compromise the system, potentially leading to data exfiltration, service disruption, or further lateral movement within the network.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of this vulnerability could allow an attacker to gain complete control over the affected Langflow instance. This could lead to the compromise of sensitive data, disruption of services, and potential further attacks on other systems within the network. Given the ease of exploitation and the availability of a public exploit, organizations using vulnerable versions of Langflow are at significant risk. The impact would depend on the deployment and data handled by the Langflow installation.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade Langflow to a version higher than 1.1.0 to patch CVE-2026-6596.\u003c/li\u003e\n\u003cli\u003eImplement the Sigma rule \u003ccode\u003eDetect Suspicious File Uploads to Langflow API\u003c/code\u003e to detect exploitation attempts targeting the \u003ccode\u003ecreate_upload_file\u003c/code\u003e endpoint.\u003c/li\u003e\n\u003cli\u003eMonitor web server logs for suspicious POST requests to the \u003ccode\u003e/api/v1/upload\u003c/code\u003e endpoint, as this is the likely path for exploitation.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-04-20T03:16:16Z","date_published":"2026-04-20T03:16:16Z","id":"/briefs/2026-04-langflow-unrestricted-upload/","summary":"An unrestricted file upload vulnerability in langflow-ai langflow versions up to 1.1.0 allows remote attackers to execute arbitrary code via the create_upload_file function in the API Endpoint.","title":"Langflow Unrestricted File Upload Vulnerability (CVE-2026-6596)","url":"https://feed.craftedsignal.io/briefs/2026-04-langflow-unrestricted-upload/"},{"_cs_actors":[],"_cs_cves":[{"cvss":8.8,"id":"CVE-2026-3357"}],"_cs_exploited":false,"_cs_products":[],"_cs_severities":["critical"],"_cs_tags":["cve-2026-3357","deserialization","rce","langflow"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eIBM Langflow Desktop, a low-code platform designed to build custom LLM applications, is susceptible to a critical vulnerability (CVE-2026-3357) affecting versions 1.6.0 through 1.8.2. The flaw stems from an insecure default setting within the FAISS (Facebook AI Similarity Search) component, which permits the deserialization of untrusted data. This vulnerability allows an authenticated user to execute arbitrary code on the host system. Successful exploitation grants the attacker full control over the Langflow Desktop instance and potentially the underlying system. Due to the ease of exploitation, especially for authenticated users, defenders must prioritize patching or mitigating this issue to prevent potential breaches.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn authenticated user logs into the vulnerable IBM Langflow Desktop application (versions 1.6.0 through 1.8.2).\u003c/li\u003e\n\u003cli\u003eThe attacker crafts malicious serialized data designed to exploit the insecure deserialization vulnerability in the FAISS component.\u003c/li\u003e\n\u003cli\u003eThe attacker injects the malicious serialized data into the Langflow application, potentially through a manipulated API request or a crafted workflow file.\u003c/li\u003e\n\u003cli\u003eLangflow Desktop processes the malicious data using the vulnerable FAISS component.\u003c/li\u003e\n\u003cli\u003eThe FAISS component deserializes the untrusted data without proper validation.\u003c/li\u003e\n\u003cli\u003eDuring deserialization, the malicious payload is executed, leading to arbitrary code execution within the context of the Langflow Desktop application.\u003c/li\u003e\n\u003cli\u003eThe attacker gains control of the Langflow Desktop application.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages the code execution to escalate privileges, install malware, or exfiltrate sensitive data from the affected system.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-3357 allows an attacker to execute arbitrary code on the system running IBM Langflow Desktop. This could lead to complete system compromise, including data theft, malware installation, and denial of service. Given the low complexity and the ability to exploit it with authentication, this vulnerability poses a significant risk to organizations using the affected versions of Langflow Desktop. The impact is amplified if the Langflow Desktop instance has access to sensitive data or critical infrastructure.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade IBM Langflow Desktop to a patched version that addresses CVE-2026-3357. Refer to IBM\u0026rsquo;s security advisory (\u003ca href=\"https://www.ibm.com/support/pages/node/7268428\"\u003ehttps://www.ibm.com/support/pages/node/7268428\u003c/a\u003e) for specific upgrade instructions.\u003c/li\u003e\n\u003cli\u003eImplement input validation and sanitization measures to prevent the deserialization of untrusted data.\u003c/li\u003e\n\u003cli\u003eMonitor network traffic for suspicious activity related to Langflow Desktop, such as unexpected API calls or data transfers.\u003c/li\u003e\n\u003cli\u003eEnable logging for Langflow Desktop and related components, and analyze logs for signs of exploitation.\u003c/li\u003e\n\u003cli\u003eDeploy a web application firewall (WAF) with rules to detect and block attempts to exploit deserialization vulnerabilities in web applications.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-04-08T01:16:41Z","date_published":"2026-04-08T01:16:41Z","id":"/briefs/2026-04-langflow-rce/","summary":"IBM Langflow Desktop versions 1.6.0 through 1.8.2 is vulnerable to arbitrary code execution due to insecure deserialization of untrusted data, allowing an authenticated user to execute code on the system.","title":"IBM Langflow Desktop Deserialization RCE (CVE-2026-3357)","url":"https://feed.craftedsignal.io/briefs/2026-04-langflow-rce/"},{"_cs_actors":[],"_cs_cves":[],"_cs_exploited":false,"_cs_products":[],"_cs_severities":["high"],"_cs_tags":["langflow","file-manipulation","vulnerability"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eA vulnerability exists in Langflow that allows a remote, authenticated attacker to manipulate files. Langflow is a UI for rapidly prototyping flows. The specific nature of the vulnerability is not detailed in the source document, but the impact is that an attacker with valid credentials can modify files accessible to the Langflow application. This could potentially lead to code injection, data corruption, or unauthorized access to sensitive information within the application\u0026rsquo;s scope. Defenders should focus on detecting unusual file modifications originating from the Langflow application.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker gains valid credentials to the Langflow application through password compromise, credential stuffing, or other means.\u003c/li\u003e\n\u003cli\u003eThe attacker authenticates to the Langflow application via the web interface or API.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages the Langflow vulnerability (specific details unknown) to access and modify files within the Langflow application\u0026rsquo;s file system.\u003c/li\u003e\n\u003cli\u003eThe attacker modifies application configuration files to inject malicious code or alter application behavior.\u003c/li\u003e\n\u003cli\u003eThe attacker uploads malicious files to the server.\u003c/li\u003e\n\u003cli\u003eThe attacker triggers the execution of the injected code or uploaded files.\u003c/li\u003e\n\u003cli\u003eThe attacker gains unauthorized access to sensitive data or elevates privileges within the application.\u003c/li\u003e\n\u003cli\u003eThe attacker maintains persistence through backdoors or other methods within the compromised Langflow environment.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of this vulnerability could lead to significant damage. Attackers could modify critical application files, leading to data corruption, denial of service, or complete system compromise. The lack of specific details on the vulnerability makes it difficult to assess the total number of potential victims. The severity depends on the scope of Langflow\u0026rsquo;s file access and the sensitivity of the data it manages.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMonitor file modifications within the Langflow application\u0026rsquo;s file system for suspicious activity (e.g., unexpected changes to configuration files, creation of new executable files) using \u003ccode\u003efile_event\u003c/code\u003e log sources.\u003c/li\u003e\n\u003cli\u003eImplement the provided Sigma rules to detect potential exploitation attempts targeting Langflow\u0026rsquo;s file system.\u003c/li\u003e\n\u003cli\u003eInvestigate and remediate any unauthorized access or modifications to files associated with the Langflow application.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-03-30T10:16:46Z","date_published":"2026-03-30T10:16:46Z","id":"/briefs/2026-03-langflow-file-manipulation/","summary":"An authenticated, remote attacker can exploit a vulnerability in Langflow to manipulate files, potentially leading to unauthorized data modification or application compromise.","title":"Langflow Vulnerability Allows File Manipulation","url":"https://feed.craftedsignal.io/briefs/2026-03-langflow-file-manipulation/"},{"_cs_actors":[],"_cs_cves":[],"_cs_exploited":false,"_cs_products":[],"_cs_severities":["high"],"_cs_tags":["idor","langflow","vulnerability"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eLangflow, a platform for building AI agents, suffered from an Insecure Direct Object Reference (IDOR) vulnerability affecting versions 1.5.0 and earlier. This flaw, identified as CVE-2026-34046, resided in the \u003ccode\u003e_read_flow\u003c/code\u003e helper function within the \u003ccode\u003esrc/backend/base/langflow/api/v1/flows.py\u003c/code\u003e file. The vulnerability arose from a conditional check related to the \u003ccode\u003eAUTO_LOGIN\u003c/code\u003e setting, which inadvertently bypassed ownership validation when authentication was enabled. As a result, any authenticated…\u003c/p\u003e\n","date_modified":"2026-03-27T19:36:23Z","date_published":"2026-03-27T19:36:23Z","id":"/briefs/2026-03-langflow-idor/","summary":"Langflow versions 1.5.0 and earlier contain an IDOR vulnerability (CVE-2026-34046) that allows authenticated users to read, modify, and delete flows belonging to other users due to a missing ownership check, potentially exposing sensitive information and enabling unauthorized control over AI agent logic.","title":"Langflow IDOR Vulnerability Allows Cross-User Flow Manipulation","url":"https://feed.craftedsignal.io/briefs/2026-03-langflow-idor/"},{"_cs_actors":[],"_cs_cves":[],"_cs_exploited":false,"_cs_products":[],"_cs_severities":["critical"],"_cs_tags":["langflow","code-execution","vulnerability"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eA critical vulnerability exists within Langflow that allows a remote attacker to execute arbitrary code. The specific nature of the vulnerability is not detailed in the source advisory, but the impact is significant. The lack of specific information regarding exploitation limits detailed analysis, but defenders should assume the vulnerability is easily exploitable. Successful exploitation could allow an attacker to gain complete control over the affected system, leading to data theft, system corruption, or use as a staging point for further attacks. Given the severity, immediate action is required.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eThe attacker identifies a vulnerable Langflow instance. The method of identification is currently unknown, but may involve banner grabbing or vulnerability scanning.\u003c/li\u003e\n\u003cli\u003eThe attacker crafts a malicious request designed to exploit the Langflow vulnerability. The specifics of this request depend on the exact vulnerability.\u003c/li\u003e\n\u003cli\u003eThe attacker sends the malicious request to the Langflow instance.\u003c/li\u003e\n\u003cli\u003eLangflow processes the request, triggering the vulnerability.\u003c/li\u003e\n\u003cli\u003eThe attacker\u0026rsquo;s code is executed on the server, potentially with the privileges of the Langflow application.\u003c/li\u003e\n\u003cli\u003eThe attacker establishes a persistent foothold on the system, potentially installing a backdoor or creating new user accounts.\u003c/li\u003e\n\u003cli\u003eThe attacker performs lateral movement to access other systems on the network.\u003c/li\u003e\n\u003cli\u003eThe attacker achieves their final objective, such as data exfiltration, system disruption, or ransomware deployment.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of this vulnerability can lead to complete system compromise. The attacker gains the ability to execute arbitrary code, potentially leading to data theft, system corruption, or installation of malware. The number of affected systems is currently unknown. The impact is considered critical due to the potential for widespread damage and disruption.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMonitor web server logs for suspicious activity targeting Langflow instances to detect initial exploitation attempts (see rule: \u0026ldquo;Detect Langflow Code Execution Attempts via Web Logs\u0026rdquo;).\u003c/li\u003e\n\u003cli\u003eImplement strict input validation and sanitization measures within Langflow to prevent code injection attacks.\u003c/li\u003e\n\u003cli\u003eReview and audit Langflow\u0026rsquo;s code for potential vulnerabilities, paying close attention to areas that handle user input or external data.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-03-25T11:21:02Z","date_published":"2026-03-25T11:21:02Z","id":"/briefs/2026-03-langflow-code-exec/","summary":"A vulnerability in Langflow allows an attacker to execute arbitrary code, potentially leading to system compromise.","title":"Langflow Vulnerability Allows Arbitrary Code Execution","url":"https://feed.craftedsignal.io/briefs/2026-03-langflow-code-exec/"},{"_cs_actors":[],"_cs_cves":[],"_cs_exploited":false,"_cs_products":[],"_cs_severities":["critical"],"_cs_tags":["langflow","vulnerability","code-execution","information-disclosure"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eLangflow is vulnerable to multiple security flaws that could allow a remote attacker to perform several malicious actions. These vulnerabilities, if successfully exploited, may lead to arbitrary code execution, sensitive information disclosure, and data manipulation. While the specific versions affected and CVEs are not detailed in the advisory, the potential impact is significant, suggesting a need for immediate investigation and mitigation strategies for organizations utilizing Langflow in their environments. Defenders should prioritize identifying instances of Langflow within their infrastructure and monitor for any unusual activity related to the application.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker identifies a vulnerable Langflow instance.\u003c/li\u003e\n\u003cli\u003eAttacker exploits a vulnerability to inject malicious code. (T1203)\u003c/li\u003e\n\u003cli\u003eThe injected code executes within the context of the Langflow application. (T1059)\u003c/li\u003e\n\u003cli\u003eThe attacker leverages code execution to access sensitive information, such as credentials or API keys, stored within the application or on the underlying system. (T1003)\u003c/li\u003e\n\u003cli\u003eAttacker escalates privileges by exploiting a separate vulnerability or misconfiguration. (T1068)\u003c/li\u003e\n\u003cli\u003eWith elevated privileges, the attacker gains broader access to the system and network. (T1078)\u003c/li\u003e\n\u003cli\u003eAttacker exfiltrates sensitive data to an external server. (T1041)\u003c/li\u003e\n\u003cli\u003eAttacker manipulates data within the Langflow application or connected systems, potentially causing data corruption or further compromise.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of these Langflow vulnerabilities could lead to complete system compromise, including arbitrary code execution and the theft of sensitive data. Depending on the function of the Langflow instance, impacts could range from data breaches and financial loss to disruption of critical services. Given the potential for lateral movement and privilege escalation, the scope of the impact could extend beyond the immediate Langflow environment.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInvestigate all Langflow installations within the environment and apply any available patches or updates provided by the vendor.\u003c/li\u003e\n\u003cli\u003eImplement network segmentation to limit the potential impact of a compromised Langflow instance.\u003c/li\u003e\n\u003cli\u003eMonitor Langflow application logs for suspicious activity such as unusual API calls or unauthorized access attempts. Use the process creation rule to detect execution of suspicious processes spawned by Langflow.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rules provided in this brief to your SIEM to detect potential exploitation attempts.\u003c/li\u003e\n\u003cli\u003eReview and enforce principle of least privilege for accounts used by Langflow.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-03-25T09:46:08Z","date_published":"2026-03-25T09:46:08Z","id":"/briefs/2026-03-langflow-vulns/","summary":"Multiple vulnerabilities in Langflow could be exploited by an attacker to execute arbitrary program code, disclose information, and potentially manipulate data, leading to potential system compromise.","title":"Multiple Vulnerabilities in Langflow Allow for Arbitrary Code Execution and Information Disclosure","url":"https://feed.craftedsignal.io/briefs/2026-03-langflow-vulns/"},{"_cs_actors":[],"_cs_cves":[],"_cs_exploited":false,"_cs_products":[],"_cs_severities":["critical"],"_cs_tags":["langflow","rce","cve-2026-33017","ai-pipeline"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eA critical remote code execution vulnerability, CVE-2026-33017, affects Langflow AI pipelines prior to version 1.9.0. Langflow is a tool used for building and deploying AI-powered agents and workflows. The vulnerability resides in the \u003ccode\u003ebuild_public_tmp\u003c/code\u003e endpoint, which is intended to be unauthenticated for public flows. However, it incorrectly accepts attacker-supplied flow data, leading to remote code execution with full server process privileges. The vulnerability can be exploited by an…\u003c/p\u003e\n","date_modified":"2026-03-24T12:00:00Z","date_published":"2026-03-24T12:00:00Z","id":"/briefs/2026-03-langflow-rce/","summary":"A critical remote code execution vulnerability, CVE-2026-33017, exists in Langflow AI pipelines prior to version 1.9.0 that allows an unauthenticated remote attacker to execute code with full server process privileges, impacting availability, integrity, and confidentiality.","title":"Critical RCE Vulnerability in Langflow AI Pipelines (CVE-2026-33017)","url":"https://feed.craftedsignal.io/briefs/2026-03-langflow-rce/"}],"language":"en","title":"CraftedSignal Threat Feed — Langflow","version":"https://jsonfeed.org/version/1.1"}