{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/vm2/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["vm2"],"_cs_severities":["critical"],"_cs_tags":["vm2","sandbox-escape","arbitrary-code-execution"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eMultiple vulnerabilities exist within the vm2 library, a sandbox environment for Node.js. A remote, anonymous attacker can exploit these vulnerabilities to achieve critical impacts, including arbitrary code execution within the host environment, bypassing security restrictions enforced by the sandbox, manipulating data processed within the sandbox, and disclosing sensitive information accessible to the sandbox. The specifics of the vulnerabilities are not detailed in this brief but the broad impact suggests that attackers could potentially compromise systems relying on vm2 for secure code execution, leading to significant data breaches or system control.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker crafts malicious code designed to exploit a vulnerability within the vm2 sandbox.\u003c/li\u003e\n\u003cli\u003eThis malicious code is submitted for execution within the vm2 environment.\u003c/li\u003e\n\u003cli\u003eThe vm2 sandbox attempts to isolate the malicious code, but a vulnerability allows the code to escape the intended boundaries.\u003c/li\u003e\n\u003cli\u003eThe attacker's code leverages the vulnerability to execute arbitrary commands on the host system, outside the confines of the vm2 sandbox.\u003c/li\u003e\n\u003cli\u003eThe attacker gains control of the host process or system, escalating privileges as needed.\u003c/li\u003e\n\u003cli\u003eThe attacker manipulates data and discloses sensitive information accessible to the host system.\u003c/li\u003e\n\u003cli\u003eThe attacker uses compromised host system to move laterally within the network.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of these vm2 vulnerabilities could lead to arbitrary code execution on systems using the library, security bypass, data manipulation, and sensitive information disclosure. This could result in significant data breaches, system compromise, and potential lateral movement within a network. The lack of specific details prevents quantifying the number of potential victims or targeted sectors, but the severity is deemed critical due to the potential for complete system compromise.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade to the latest version of vm2 to address known vulnerabilities as soon as patches are available from the maintainers.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rules provided to detect potential exploitation attempts within your environment.\u003c/li\u003e\n\u003cli\u003eClosely monitor systems utilizing vm2 for any anomalous behavior, focusing on process execution and network connections.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-19T10:48:06Z","date_published":"2026-05-19T10:48:06Z","id":"https://feed.craftedsignal.io/briefs/2026-05-vm2-multiple-vulnerabilities/","summary":"Multiple vulnerabilities in vm2 allow a remote, anonymous attacker to execute arbitrary code, bypass security measures, manipulate data, and disclose sensitive information.","title":"Multiple Vulnerabilities in vm2","url":"https://feed.craftedsignal.io/briefs/2026-05-vm2-multiple-vulnerabilities/"},{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["vm2"],"_cs_severities":["high"],"_cs_tags":["javascript-sandbox","code-execution","vm2"],"_cs_type":"advisory","_cs_vendors":["vm2"],"content_html":"\u003cp\u003eA vulnerability in vm2, a JavaScript sandbox, allows a remote attacker to execute arbitrary code. The vulnerability, discovered in May 2026, stems from insufficient isolation between the sandboxed environment and the host system. An attacker could potentially leverage this flaw to escape the sandbox and execute arbitrary commands, leading to complete system compromise. This is particularly concerning for applications that rely on vm2 to execute untrusted JavaScript code, as it could allow malicious code to break free and compromise the underlying infrastructure. The vulnerability is present in unspecified versions of vm2.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker crafts malicious JavaScript code designed to exploit the vm2 vulnerability.\u003c/li\u003e\n\u003cli\u003eThe attacker delivers the malicious JavaScript code to a server or application that utilizes vm2 for sandboxed execution.\u003c/li\u003e\n\u003cli\u003eThe vm2 sandbox attempts to execute the malicious code.\u003c/li\u003e\n\u003cli\u003eDue to the vulnerability, the malicious code bypasses the intended security restrictions of the sandbox.\u003c/li\u003e\n\u003cli\u003eThe malicious code gains unauthorized access to the underlying Node.js environment.\u003c/li\u003e\n\u003cli\u003eThe attacker executes arbitrary code within the Node.js process, outside the intended sandbox.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages the code execution to perform actions such as reading sensitive data or establishing persistence.\u003c/li\u003e\n\u003cli\u003eThe attacker potentially compromises the entire host system, depending on the privileges of the Node.js process.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of this vulnerability allows an attacker to execute arbitrary code on the host system where vm2 is being used. This can lead to complete system compromise, data theft, and denial of service. The number of potential victims is broad, as many applications utilize vm2 to safely execute untrusted JavaScript. The impact is severe, potentially allowing attackers to gain control of critical infrastructure.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImplement detection rules to identify suspicious activity related to vm2 execution, focusing on attempts to escape the sandbox environment (see Sigma rule examples below).\u003c/li\u003e\n\u003cli\u003eClosely monitor the execution of vm2 sandboxes for unexpected behavior such as file system access or network connections originating from the sandbox.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-11T10:48:49Z","date_published":"2026-05-11T10:48:49Z","id":"https://feed.craftedsignal.io/briefs/2026-05-vm2-code-exec/","summary":"A remote, anonymous attacker can exploit a vulnerability in vm2 to execute arbitrary code, potentially leading to arbitrary code execution on the host system.","title":"vm2 Vulnerability Allows Code Execution","url":"https://feed.craftedsignal.io/briefs/2026-05-vm2-code-exec/"},{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["vm2"],"_cs_severities":["critical"],"_cs_tags":["sandbox-escape","code-execution","denial-of-service"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eThe vm2 sandbox environment contains multiple unspecified vulnerabilities that can be exploited by malicious actors. These vulnerabilities, when successfully exploited, can lead to arbitrary code execution within the host environment, denial-of-service conditions, sensitive information disclosure, and the circumvention of existing security precautions. While the specific details of the vulnerabilities are not provided, the potential impact necessitates immediate attention from development and security teams utilizing vm2. It is imperative to investigate and apply any available patches or mitigations to prevent potential exploitation. The broad nature of the possible exploits makes this a critical issue for any application leveraging vm2.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker crafts malicious JavaScript code designed to exploit a vulnerability within the vm2 sandbox.\u003c/li\u003e\n\u003cli\u003eThe malicious code is injected into the vm2 environment, possibly through a vulnerable application that uses vm2 to execute untrusted code.\u003c/li\u003e\n\u003cli\u003eThe vm2 sandbox fails to properly isolate the malicious code due to a security flaw.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages the vulnerability to escape the vm2 sandbox environment.\u003c/li\u003e\n\u003cli\u003eArbitrary code execution is achieved on the host system outside the vm2 sandbox.\u003c/li\u003e\n\u003cli\u003eThe attacker installs a backdoor or establishes persistence on the compromised host.\u003c/li\u003e\n\u003cli\u003eThe attacker performs lateral movement to other systems on the network.\u003c/li\u003e\n\u003cli\u003eThe attacker exfiltrates sensitive data or launches a denial-of-service attack.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of these vulnerabilities can result in complete compromise of the host system, potentially impacting all data and services hosted on the affected machine. If the compromised system has network access, the attacker can pivot to other systems, increasing the scope of the attack. This could lead to widespread data breaches, service disruptions, and reputational damage. Without specifics on victim count or affected sectors, the risk remains high for any organization utilizing vm2 without proper mitigation.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImmediately investigate the applications using vm2 to understand potential attack vectors.\u003c/li\u003e\n\u003cli\u003eMonitor application logs for unexpected behavior indicative of sandbox escape attempts.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rules provided below to detect potential exploitation attempts within your environment.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-05T08:06:10Z","date_published":"2026-05-05T08:06:10Z","id":"https://feed.craftedsignal.io/briefs/2026-05-vm2-vulns/","summary":"Multiple vulnerabilities in vm2 allow attackers to execute arbitrary code, perform denial of service, disclose information, and bypass security measures.","title":"Multiple Vulnerabilities in vm2 Sandbox","url":"https://feed.craftedsignal.io/briefs/2026-05-vm2-vulns/"}],"language":"en","title":"CraftedSignal Threat Feed - Vm2","version":"https://jsonfeed.org/version/1.1"}