{"id":"EM-20261110-TYYF","url":"https://cyber.eventmonitor.net/incident/EM-20261110-TYYF/ag2-vulnerability-cve-2026-113663/","type":"cve","title":"AG2 Vulnerability (CVE-2026-113663)","subtitle":"CVE-2026-113663","subject":"CVE-2026-113663","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-10T15:57:17.000Z","firstSignal":"2026-11-05T23:16:50.523Z","lastSignal":"2026-11-10T15:57:17.000Z","updated":"2026-11-10T16:07:51.148Z","revision":1,"life":[{"status":"Born","at":"2026-11-10T15:57:17.000Z","why":"second independent source: C26 GitHub Advisory Database"},{"status":"Developing","at":"2026-11-10T15:57:17.000Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-05T23:16:50.523Z","what":"First signal: C6 NVD CVE API 2.0"},{"at":"2026-11-10T15:57:17.000Z","what":"Born: second source, C26 GitHub Advisory Database. Page EM-20261110-TYYF created."}],"stages":[{"name":"Disclosed","at":"2026-11-05T23:16:50.523Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-05T23:16:50.523Z","detail":"CVSS 8.8 · EPSS 0.3%"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":null,"detail":"None in sources yet"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-05T23:16:50.523Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-113663 (CVSS 8.8)","text":"AG2 is an open-source AgentOS. From 0.13.2 until ag2 1.1.1, and from autogen 0.13.2 to 0.14.1, SandboxShellTool configurations using allowed=[...] or readonly=True rely on ShellAdapter._filter and contains_shell_operator in ag2/tools/sandbox/filter.py and ag2/tools/sandbox/adapter/shell.py to validate a command prefix and reject selected shell syntax. The filter omits newline and carriage-return separators, while the accepted raw string is passed to sh -c, allowing an attacker-influenced agent command to execute an additional arbitrary statement. With the default LocalEnvironment backend…","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113663"},{"at":"2026-11-10T15:57:17.000Z","source":"C26","sourceName":"GitHub Advisory Database","role":"Database","severity":3,"title":"GHSA-2h4w-29cv-2cmv / CVE-2026-113663: AG2: Newline injection in SandboxShellTool bypasses allowed=[...] and readonly=True, enabling arbitrary command execution","text":"pip:ag2, pip:autogen","url":"https://github.com/advisories/GHSA-2h4w-29cv-2cmv"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-05T23:16:50.523","score":8.8,"severity":"HIGH","desc":"AG2 is an open-source AgentOS. From 0.13.2 until ag2 1.1.1, and from autogen 0.13.2 to 0.14.1, SandboxShellTool configurations using allowed=[...] or readonly=True rely on ShellAdapter._filter and contains_shell_operator in ag2/tools/sandbox/filter.py and ag2/tools/sandbox/adapter/shell.py to…","product":"","seen":1794257662269},"kev":null,"epss":{"epss":0.00347,"pct":0.2859,"at":1794326871148},"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}