Paper/Archive/CVE-2026-121640

CVE-2026-121640

WatchGuard AuthPoint Authentication Gateway — WatchGuard AuthPoint Gateway Capture-replay Allows Unauthorized Administrative Actions

CVSS 9.1

critical.is priorityof 100

CVSS 9.1 (CNA)9.1 / 10 × 3027.3 Not in CISA KEV+300.0 No EPSS score.000 × 200.0 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

An Authentication Bypass by Capture-replay vulnerability in WatchGuard AuthPoint Gateway allows an attacker who has observed a legitimate request between AuthPoint Gateway components to replay it and perform unauthorized administrative actions, including disrupting authentication services.

Affected

ProductAffectedFixed inSource

AuthPoint Authentication Gateway1.0 – < 7.6.07.6.0CNA

Scores by source

WatchGuard (CNA)9.1CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H

References

advisorypsirt.watchguard.com/CVE-2026-121640