{"id":"CVE-2026-126237","aliases":["EUVD-2026-123870","GHSA-8fpc-w23q-m5g7"],"status":"published","title":"A loop with unreachable exit condition ('infinite loop') vulnerability in Fortinet...","description":"A loop with unreachable exit condition ('infinite loop') vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an attacker to cause a denial of service via crafted TCP requests.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-13","score":0.00296,"percentile":0.22551,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-835"],"published":"2026-11-11T21:31:22Z","modified":"2026-11-12T19:05:46Z","products":[{"vendor":"fortinet","product":"fortiauthenticator"}],"references":[{"url":"https://fortiguard.fortinet.com/psirt/FG-IR-26-252"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126237"},{"url":"https://github.com/advisories/GHSA-8fpc-w23q-m5g7"}],"sources":{"cve":[{"id":"CVE-2026-126237","description":"A loop with unreachable exit condition ('infinite loop') vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an attacker to cause a denial of service via crafted TCP requests.","status":"published","published":"2026-11-11T21:31:22.149Z","modified":"2026-11-12T19:05:46.235Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-835"],"updated_at":"2026-11-11T22:33:40.554088Z"}],"euvd":[{"id":"EUVD-2026-123870","description":"A loop with unreachable exit condition ('infinite loop') vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an attacker to cause a denial of service via crafted TCP requests.","status":"published","published":"2026-11-11T21:31:22Z","modified":"2026-11-12T19:05:46Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-12T20:34:56.908151Z"}],"ghsa":[{"id":"GHSA-8fpc-w23q-m5g7","title":"A loop with unreachable exit condition ('infinite loop') vulnerability in Fortinet...","description":"A loop with unreachable exit condition ('infinite loop') vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an attacker to cause a denial of service via crafted TCP requests.","status":"published","published":"2026-11-12T00:32:58Z","modified":"2026-11-12T00:33:04Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-835"],"updated_at":"2026-11-12T00:37:18.265111Z"}],"nvd":[{"id":"CVE-2026-126237","description":"A loop with unreachable exit condition ('infinite loop') vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an attacker to cause a denial of service via crafted TCP requests.","status":"published","published":"2026-11-11T22:17:23.177Z","modified":"2026-11-12T19:17:01.34Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-835"],"updated_at":"2026-11-11T23:26:41.62195Z"}]}}