{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/ouroboros-ai--0.39.0/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":["ouroboros-ai (\u003c 0.39.0)"],"_cs_severities":["high"],"_cs_tags":["rce","vulnerability","supply_chain"],"_cs_type":"advisory","_cs_vendors":["ouroboros-ai"],"content_html":"\u003cp\u003eA remote code execution (RCE) vulnerability, identified as CVE-2026-47211, affects Ouroboros-AI versions prior to 0.39.0. This vulnerability allows an attacker to execute arbitrary code on a user\u0026rsquo;s system by exploiting the application\u0026rsquo;s behavior of loading environment variables from a local \u003ccode\u003e.env\u003c/code\u003e file. The attack involves tricking a user into cloning a repository containing a malicious \u003ccode\u003e.env\u003c/code\u003e file that overrides the path to the Ouroboros CLI or related backend tools. This can be achieved by setting variables such as \u003ccode\u003eOUROBOROS_CLI_PATH\u003c/code\u003e or \u003ccode\u003eOPENCODE_CLI_PATH\u003c/code\u003e to point to a malicious script. When the user then executes an Ouroboros command, the attacker\u0026rsquo;s script is executed, leading to potential system compromise. The vulnerability has been patched in version 0.39.0.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker creates a malicious repository containing a crafted \u003ccode\u003e.env\u003c/code\u003e file.\u003c/li\u003e\n\u003cli\u003eThe malicious \u003ccode\u003e.env\u003c/code\u003e file includes variables like \u003ccode\u003eOUROBOROS_CLI_PATH\u003c/code\u003e that point to a malicious script within the repository.\u003c/li\u003e\n\u003cli\u003eAttacker lures a victim into cloning the malicious repository.\u003c/li\u003e\n\u003cli\u003eVictim navigates into the cloned repository directory.\u003c/li\u003e\n\u003cli\u003eVictim executes an Ouroboros command such as \u003ccode\u003eouroboros init\u003c/code\u003e, which triggers the application to load the local \u003ccode\u003e.env\u003c/code\u003e file.\u003c/li\u003e\n\u003cli\u003eOuroboros attempts to execute the CLI based on the path specified in the \u003ccode\u003e.env\u003c/code\u003e file.\u003c/li\u003e\n\u003cli\u003eInstead of the legitimate CLI, the attacker-controlled malicious script is executed.\u003c/li\u003e\n\u003cli\u003eThe malicious script executes arbitrary commands on the victim\u0026rsquo;s system, potentially leading to a full system compromise.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of this vulnerability allows attackers to execute arbitrary code on the victim\u0026rsquo;s system. This can lead to a full system compromise, including data theft, installation of malware, and further propagation of the attack. The vulnerability affects any user who clones a malicious repository and executes Ouroboros commands within that directory. The risk is particularly high for users who frequently work with external code repositories.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade Ouroboros-AI to version 0.39.0 or later to apply the patch that mitigates CVE-2026-47211.\u003c/li\u003e\n\u003cli\u003eIf upgrading is not immediately possible, carefully inspect any \u003ccode\u003e.env\u003c/code\u003e file inside cloned repositories for unexpected \u003ccode\u003eOUROBOROS_*_CLI_PATH\u003c/code\u003e or \u003ccode\u003eOPENCODE_CLI_PATH\u003c/code\u003e overrides, as mentioned in the overview.\u003c/li\u003e\n\u003cli\u003eImplement process monitoring to detect execution of unusual scripts in the context of Ouroboros-AI processes, using the rule \u003ccode\u003eDetect Suspicious Ouroboros-AI CLI Path Override\u003c/code\u003e.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-29T21:23:51Z","date_published":"2026-05-29T21:23:51Z","id":"https://feed.craftedsignal.io/briefs/2026-05-ouroboros-rce/","summary":"A remote code execution vulnerability exists in Ouroboros-AI versions prior to 0.39.0, enabling attackers to inject malicious scripts via CLI path variables within a cloned repository's .env file, leading to arbitrary code execution when Ouroboros commands are executed.","title":"Ouroboros-AI Remote Code Execution via Malicious .env File","url":"https://feed.craftedsignal.io/briefs/2026-05-ouroboros-rce/"}],"language":"en","title":"CraftedSignal Threat Feed — Ouroboros-Ai (\u003c 0.39.0)","version":"https://jsonfeed.org/version/1.1"}