{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata — refreshed continuously.","feed_url":"https://feed.craftedsignal.io/tags/agixt/","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cves":[{"cvss":8.8,"id":"CVE-2026-39981"}],"_cs_exploited":false,"_cs_products":[],"_cs_severities":["critical"],"_cs_tags":["path-traversal","cve","agixt","web-application"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eAGiXT, a dynamic AI Agent Automation Platform, contains a critical vulnerability (CVE-2026-39981) affecting versions prior to 1.9.2. The vulnerability lies in the \u003ccode\u003esafe_join()\u003c/code\u003e function within the \u003ccode\u003eessential_abilities\u003c/code\u003e extension. This function fails to adequately validate file paths, creating an opportunity for authenticated attackers to perform directory traversal attacks. By exploiting this flaw, an attacker can manipulate file paths to access files outside the designated agent workspace, resulting in arbitrary file read, write, or deletion capabilities on the server hosting the AGiXT instance. This issue was addressed and resolved in AGiXT version 1.9.2. This vulnerability could allow an attacker to gain complete control over the AGiXT server.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eThe attacker authenticates to the AGiXT application.\u003c/li\u003e\n\u003cli\u003eThe attacker crafts a malicious request targeting the \u003ccode\u003esafe_join()\u003c/code\u003e function within the \u003ccode\u003eessential_abilities\u003c/code\u003e extension.\u003c/li\u003e\n\u003cli\u003eThe malicious request includes directory traversal sequences (e.g., \u003ccode\u003e../\u003c/code\u003e) to navigate outside the intended agent workspace.\u003c/li\u003e\n\u003cli\u003eThe \u003ccode\u003esafe_join()\u003c/code\u003e function fails to properly sanitize the input, allowing the traversal sequences to take effect.\u003c/li\u003e\n\u003cli\u003eThe attacker gains the ability to read arbitrary files on the server using the path traversal.\u003c/li\u003e\n\u003cli\u003eThe attacker exploits the ability to write to arbitrary files to inject malicious code or overwrite existing system files.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages the write access to establish persistence, potentially by modifying system startup scripts or scheduled tasks.\u003c/li\u003e\n\u003cli\u003eThe attacker achieves arbitrary code execution on the server hosting the AGiXT instance, potentially leading to complete system compromise.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-39981 can lead to complete compromise of the AGiXT server. An attacker could gain unauthorized access to sensitive data, modify system configurations, install malware, or disrupt services. This vulnerability has a CVSS v3.1 score of 8.8, indicating a high severity. The impact could be significant for organizations relying on AGiXT for critical operations, potentially leading to data breaches, financial losses, and reputational damage. The number of victims and specific sectors targeted are currently unknown.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade AGiXT to version 1.9.2 or later to remediate CVE-2026-39981 (references: \u003ca href=\"https://github.com/Josh-XT/AGiXT/releases/tag/v1.9.2)\"\u003ehttps://github.com/Josh-XT/AGiXT/releases/tag/v1.9.2)\u003c/a\u003e.\u003c/li\u003e\n\u003cli\u003eImplement input validation and sanitization measures to prevent directory traversal attacks.\u003c/li\u003e\n\u003cli\u003eMonitor AGiXT application logs for suspicious file access attempts and path manipulation sequences.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rules below to your SIEM to detect potential exploitation attempts targeting CVE-2026-39981.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-04-09T18:17:02Z","date_published":"2026-04-09T18:17:02Z","id":"/briefs/2026-04-agixt-path-traversal/","summary":"AGiXT versions prior to 1.9.2 are vulnerable to path traversal (CVE-2026-39981) due to insufficient validation in the safe_join() function, allowing authenticated attackers to read, write, or delete arbitrary files.","title":"AGiXT Path Traversal Vulnerability (CVE-2026-39981)","url":"https://feed.craftedsignal.io/briefs/2026-04-agixt-path-traversal/"}],"language":"en","title":"CraftedSignal Threat Feed — Agixt","version":"https://jsonfeed.org/version/1.1"}