Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2026-104381 Details

Description

A missing authentication vulnerability in Fireware OS's FireCluster state synchronization feature allows an unauthenticated attacker positioned on the cluster synchronization network segment to force premature VPN tunnel termination by sending crafted cluster synchronization traffic.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://psirt.watchguard.com/CVE-2026-104381 WatchGuard Technologies, Inc.

Weakness Enumeration

CWE-IDCWE NameSource
CWE-294Authentication Bypass by Capture-replayWatchGuard Technologies, Inc.
CWE-306Missing Authentication for Critical FunctionWatchGuard Technologies, Inc.
CWE-345Insufficient Verification of Data AuthenticityWatchGuard Technologies, Inc.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-104381
NVD Published Date:
Oct 27, 2026
NVD Last Modified:
Nov 4, 2026
Source:
WatchGuard Technologies, Inc.
CVE-2026-104381 Details - Not Deferred