{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/nifi/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":["NiFi"],"_cs_severities":["high"],"_cs_tags":["apache-nifi","rce","code-execution"],"_cs_type":"advisory","_cs_vendors":["Apache"],"content_html":"\u003cp\u003eA vulnerability exists in Apache NiFi that could allow an attacker to execute arbitrary program code. The specific nature of this vulnerability is not detailed in the source material, but successful exploitation could lead to complete compromise of the affected NiFi instance. This vulnerability necessitates immediate attention from organizations utilizing Apache NiFi to protect against potential unauthorized access and control. Defenders should monitor for suspicious activity related to NiFi processes and network connections and apply any available patches or mitigations as soon as possible.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker identifies a vulnerable Apache NiFi instance.\u003c/li\u003e\n\u003cli\u003eAttacker crafts a malicious request or payload targeting the identified vulnerability. (Details unknown due to lack of information on the specific vulnerability)\u003c/li\u003e\n\u003cli\u003eThe malicious request is sent to the Apache NiFi server.\u003c/li\u003e\n\u003cli\u003eThe NiFi server processes the request, triggering the vulnerability.\u003c/li\u003e\n\u003cli\u003eThe vulnerability allows the attacker to execute arbitrary code within the context of the NiFi process.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages the initial code execution to establish persistence on the system.\u003c/li\u003e\n\u003cli\u003eThe attacker moves laterally within the network, potentially compromising other systems.\u003c/li\u003e\n\u003cli\u003eThe attacker achieves their final objective, such as data exfiltration, system disruption, or further exploitation.\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 affected Apache NiFi server. This can lead to a complete compromise of the system, potentially enabling data exfiltration, system disruption, or further exploitation of the network. The impact depends on the privileges of the NiFi process and the attacker\u0026rsquo;s goals.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMonitor Apache NiFi processes for unusual command-line arguments or spawned processes that may indicate exploitation, using a process creation rule (example below).\u003c/li\u003e\n\u003cli\u003eMonitor network connections originating from the Apache NiFi server for connections to unusual or suspicious IP addresses, using a network connection rule (example below).\u003c/li\u003e\n\u003cli\u003eConsult the Apache NiFi security advisory and apply any available patches or mitigations.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-11T09:03:52Z","date_published":"2026-05-11T09:03:52Z","id":"https://feed.craftedsignal.io/briefs/2026-05-apache-nifi-rce/","summary":"A vulnerability in Apache NiFi allows a remote attacker to execute arbitrary program code on the affected system.","title":"Apache NiFi Vulnerability Allows Remote Code Execution","url":"https://feed.craftedsignal.io/briefs/2026-05-apache-nifi-rce/"},{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Nifi"],"_cs_severities":["critical"],"_cs_tags":["apache-nifi","rce","vulnerability"],"_cs_type":"threat","_cs_vendors":["Apache"],"content_html":"\u003cp\u003eMultiple vulnerabilities exist in Apache NiFi that can be exploited by a remote, authenticated attacker. The specifics of these vulnerabilities are not detailed in the source. However, successful exploitation allows the attacker to execute arbitrary code on the targeted system, leading to potentially severe consequences. The lack of detailed information regarding the vulnerabilities makes it difficult to assess the scope of the attack and the precise attack vectors used. Defenders should prioritize patching and monitoring for suspicious activity related to Apache NiFi instances.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eThe attacker authenticates to the Apache NiFi instance using stolen or compromised credentials.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages one or more unspecified vulnerabilities in Apache NiFi.\u003c/li\u003e\n\u003cli\u003eThe attacker injects malicious code through a vulnerable function or component.\u003c/li\u003e\n\u003cli\u003eThe injected code is executed within the context of the Apache NiFi application.\u003c/li\u003e\n\u003cli\u003eThe attacker gains arbitrary code execution on the underlying system.\u003c/li\u003e\n\u003cli\u003eThe attacker escalates privileges to gain full control of the server.\u003c/li\u003e\n\u003cli\u003eThe attacker installs a backdoor for persistent access.\u003c/li\u003e\n\u003cli\u003eThe attacker performs lateral movement to other systems within the network or exfiltrates sensitive data.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of these vulnerabilities can allow a malicious actor to gain full control over affected Apache NiFi instances. This could lead to data breaches, service disruption, or further compromise of the network. Given the potential for arbitrary code execution, the impact can be severe, potentially affecting all systems and data accessible to the compromised NiFi instance. The absence of specific vulnerability details limits the ability to quantify the potential number of victims or sectors at risk.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply the latest security patches and updates for Apache NiFi provided by the vendor (reference: Apache NiFi advisories).\u003c/li\u003e\n\u003cli\u003eImplement strong authentication and authorization controls for Apache NiFi access to mitigate the risk of compromised credentials.\u003c/li\u003e\n\u003cli\u003eMonitor Apache NiFi logs for suspicious activity indicative of unauthorized access or code execution (reference: Sigma rules below).\u003c/li\u003e\n\u003cli\u003eEnable process creation logging and monitor for unexpected child processes spawned by the Apache NiFi process (reference: Sigma rules below).\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-11T08:03:01Z","date_published":"2026-05-11T08:03:01Z","id":"https://feed.craftedsignal.io/briefs/2026-05-apache-nifi-vulns/","summary":"An authenticated, remote attacker can exploit multiple vulnerabilities in Apache NiFi to execute arbitrary code and achieve unspecified impacts.","title":"Apache NiFi Multiple Vulnerabilities Allow Remote Code Execution","url":"https://feed.craftedsignal.io/briefs/2026-05-apache-nifi-vulns/"}],"language":"en","title":"CraftedSignal Threat Feed — NiFi","version":"https://jsonfeed.org/version/1.1"}