{"id":"CVE-2026-126247","aliases":["EUVD-2026-123890","GHSA-9r63-2p2h-xm89"],"status":"published","title":"A use of externally-controlled format string vulnerability in Fortinet FortiAuthenticator 8.0.0...","description":"A use of externally-controlled format string vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an authenticated privileged attacker to execute unauthorized code or commands via http requests.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-13","score":0.00342,"percentile":0.28158,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-134"],"published":"2026-11-11T21:31:41Z","modified":"2026-11-12T15:30:22Z","products":[{"vendor":"fortinet","product":"fortiauthenticator"}],"references":[{"url":"https://fortiguard.fortinet.com/psirt/FG-IR-26-261"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126247"},{"url":"https://github.com/advisories/GHSA-9r63-2p2h-xm89"}],"sources":{"cve":[{"id":"CVE-2026-126247","description":"A use of externally-controlled format string vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an authenticated privileged attacker to execute unauthorized code or commands via http requests.","status":"published","published":"2026-11-11T21:31:41.907Z","modified":"2026-11-12T15:30:22.178Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-134"],"updated_at":"2026-11-11T22:33:40.554088Z"}],"euvd":[{"id":"EUVD-2026-123890","description":"A use of externally-controlled format string vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an authenticated privileged attacker to execute unauthorized code or commands via http requests.","status":"published","published":"2026-11-11T21:31:41Z","modified":"2026-11-12T15:30:22Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-12T16:34:07.471084Z"}],"ghsa":[{"id":"GHSA-9r63-2p2h-xm89","title":"A use of externally-controlled format string vulnerability in Fortinet FortiAuthenticator 8.0.0...","description":"A use of externally-controlled format string vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an authenticated privileged attacker to execute unauthorized code or commands via http requests.","status":"published","published":"2026-11-12T00:32:59Z","modified":"2026-11-12T00:33:04Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-134"],"updated_at":"2026-11-12T00:37:18.265111Z"}],"nvd":[{"id":"CVE-2026-126247","description":"A use of externally-controlled format string vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an authenticated privileged attacker to execute unauthorized code or commands via http requests.","status":"published","published":"2026-11-11T22:17:24.56Z","modified":"2026-11-12T19:14:29.34Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-134"],"updated_at":"2026-11-11T23:26:41.62195Z"}]}}