{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata — refreshed continuously.","feed_url":"https://feed.craftedsignal.io/tags/cve-2026-5584/","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cves":[{"cvss":7.3,"id":"CVE-2026-5584"}],"_cs_exploited":true,"_cs_products":[],"_cs_severities":["critical"],"_cs_tags":["code-injection","vulnerability","fosowl","cve-2026-5584"],"_cs_type":"threat","_cs_vendors":[],"content_html":"\u003cp\u003eFosowl agenticSeek version 0.1.0 is vulnerable to code injection (CVE-2026-5584). The vulnerability lies within the \u003ccode\u003ePyInterpreter.execute\u003c/code\u003e function in the \u003ccode\u003esources/tools/PyInterpreter.py\u003c/code\u003e file, specifically related to the query endpoint. An unauthenticated attacker can exploit this flaw to inject and execute arbitrary code remotely. The vulnerability was reported to the vendor, but they did not respond, and a public exploit is available, increasing the risk of active exploitation. This poses a significant threat because successful exploitation allows for complete system compromise.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eThe attacker identifies a vulnerable instance of Fosowl agenticSeek 0.1.0.\u003c/li\u003e\n\u003cli\u003eThe attacker crafts a malicious request targeting the query endpoint.\u003c/li\u003e\n\u003cli\u003eThe crafted request includes a payload designed to exploit the \u003ccode\u003ePyInterpreter.execute\u003c/code\u003e function.\u003c/li\u003e\n\u003cli\u003eThe \u003ccode\u003ePyInterpreter.execute\u003c/code\u003e function processes the malicious payload without proper sanitization.\u003c/li\u003e\n\u003cli\u003eThe unsanitized payload is executed as code by the Python interpreter.\u003c/li\u003e\n\u003cli\u003eThe attacker gains arbitrary code execution on the server hosting Fosowl agenticSeek.\u003c/li\u003e\n\u003cli\u003eThe attacker escalates privileges, potentially gaining root access.\u003c/li\u003e\n\u003cli\u003eThe attacker installs malware, exfiltrates data, or performs other malicious actions.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-5584 allows a remote attacker to execute arbitrary code on the affected system. This can lead to complete system compromise, data theft, or denial-of-service. Given the availability of a public exploit, unpatched systems are at high risk of being targeted. The specific number of potential victims and targeted sectors are currently unknown.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade Fosowl agenticSeek to a patched version if available.\u003c/li\u003e\n\u003cli\u003eImplement input validation and sanitization on the query endpoint to prevent code injection.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rule \u003ccode\u003eDetect Fosowl agenticSeek Code Injection Attempt\u003c/code\u003e to identify exploitation attempts.\u003c/li\u003e\n\u003cli\u003eMonitor web server logs for suspicious requests targeting the query endpoint (\u003ccode\u003ewebserver\u003c/code\u003e log source).\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-04-05T17:16:57Z","date_published":"2026-04-05T17:16:57Z","id":"/briefs/2026-04-fosowl-code-injection/","summary":"A code injection vulnerability (CVE-2026-5584) exists in Fosowl agenticSeek 0.1.0, allowing remote attackers to execute arbitrary code by manipulating the query endpoint through the PyInterpreter.execute function.","title":"Fosowl agenticSeek 0.1.0 Code Injection Vulnerability (CVE-2026-5584)","url":"https://feed.craftedsignal.io/briefs/2026-04-fosowl-code-injection/"}],"language":"en","title":"CraftedSignal Threat Feed — Cve-2026-5584","version":"https://jsonfeed.org/version/1.1"}