{"id":"CVE-2026-121639","title":"WatchGuard AuthPoint Gateway Improper Authentication Allows Unauthenticated Denial of Service","summary":"A Missing Authentication for Critical Function vulnerability in WatchGuard AuthPoint Gateway allows a remote unauthenticated attacker with network access to the AuthPoint Gateway host to disrupt authentication services and delete the loc…","severity":"critical","cvss":9.2,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:H","cvssSource":"cna","cwe":["CWE-252","CWE-287","CWE-306"],"vendor":"WatchGuard","product":"AuthPoint Authentication Gateway","affected":["authpoint_authentication_gateway >= 1.0 < 7.6.0"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-11-04T16:38:22.413696Z"},"published":"2026-11-04","updated":"2026-11-04","sourceUpdated":"2026-11-04T18:20:22.160Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-121639","references":[{"url":"https://psirt.watchguard.com/CVE-2026-121639"}],"tags":["cve.org"],"ingestedAt":"2026-11-05T21:36:00.483Z","slug":"CVE-2026-121639","body":"## Overview\n\nA Missing Authentication for Critical Function vulnerability in WatchGuard AuthPoint Gateway allows a remote unauthenticated attacker with network access to the AuthPoint Gateway host to disrupt authentication services and delete the local directory synchronization configuration.\n\n## Affected\n\n- `authpoint_authentication_gateway >= 1.0 < 7.6.0`\n\n## Remediation\n\nAuthPoint Authentication Gateway 7.6.0","depth":"midnight","depthScore":51,"depthScoreParts":{"impact":50.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}