{"id":"CVE-2026-65184","aliases":["EUVD-2026-109933","GHSA-f563-j7vj-6j8f"],"status":"published","title":"Avocent ACS8000 wsserver command injection","description":"The root-privileged `wsserver` terminal-bridge daemon builds a shell command from client-supplied WebSocket fields and passes it to `system()` and `popen()` without quoting, escaping, or character-set validation. The daemon's public-key session path performs no appliance-session check.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00416,"percentile":0.36393,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2026-10-26T14:07:08Z","modified":"2026-10-26T18:41:21Z","products":[{"vendor":"vertiv","product":"avocent acs8000"}],"references":[{"url":"https://www.runzero.com/advisories/avocent-acs8000-wsserver-cmdinj-cve-2026-65184","tags":["third-party-advisory"]},{"url":"https://www.runzero.com/blog/lights-out-exposed/","tags":["related"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-65184"},{"url":"https://www.runzero.com/blog/lights-out-exposed"},{"url":"https://github.com/advisories/GHSA-f563-j7vj-6j8f"}],"sources":{"cve":[{"id":"CVE-2026-65184","title":"Avocent ACS8000 wsserver command injection","description":"The root-privileged `wsserver` terminal-bridge daemon builds a shell command from client-supplied WebSocket fields and passes it to `system()` and `popen()` without quoting, escaping, or character-set validation. The daemon's public-key session path performs no appliance-session check.","status":"published","published":"2026-10-26T14:07:08.235Z","modified":"2026-10-26T16:46:46.017Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T13:37:13.934727Z"}],"euvd":[{"id":"EUVD-2026-109933","description":"The root-privileged `wsserver` terminal-bridge daemon builds a shell command from client-supplied WebSocket fields and passes it to `system()` and `popen()` without quoting, escaping, or character-set validation. The daemon's public-key session path performs no appliance-session check.","status":"published","published":"2026-10-26T14:07:08Z","modified":"2026-10-26T16:46:46Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:59:29.132426Z"}],"ghsa":[{"id":"GHSA-f563-j7vj-6j8f","title":"The root-privileged `wsserver` terminal-bridge daemon builds a shell command from client-supplied...","description":"The root-privileged `wsserver` terminal-bridge daemon builds a shell command from client-supplied WebSocket fields and passes it to `system()` and `popen()` without quoting, escaping, or character-set validation. The daemon's public-key session path performs no appliance-session check.","status":"published","published":"2026-10-26T15:34:47Z","modified":"2026-10-26T15:34:48Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:14:23.996006Z"}],"nvd":[{"id":"CVE-2026-65184","description":"The root-privileged `wsserver` terminal-bridge daemon builds a shell command from client-supplied WebSocket fields and passes it to `system()` and `popen()` without quoting, escaping, or character-set validation. The daemon's public-key session path performs no appliance-session check.","status":"published","published":"2026-10-26T15:16:41.627Z","modified":"2026-10-26T18:41:21.45Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:13:03.452847Z"}]}}