Vulnerability in WatchGuard Fireware OS

[ Description ]Official description

An improper authentication vulnerability in WatchGuard Fireware OS's AuthPoint multi-factor authentication process allows a local, unauthenticated attacker on the appliance to hijack another user's in-progress MFA session by supplying a specially crafted request and convincing the victim user to accept an MFA push notification.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund27 Oct 2026WID-SEC-2026-4209

  WatchGuard Fireware OS: Multiple vulnerabilities Translated from German

  CVE-2026-113881CVE-2026-103593CVE-2026-93434+15 more CVEs

[ References ]References

• psirt.watchguard.com/CVE-2026-82332