CVE-2026-104381

Published Oct 27, 2026 CWE-294 CWE-306 CWE-345

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.

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Weakness Type (CWE)

CWE-294 CWE-294
CWE-306 Missing Authentication
CWE-345 CWE-345

References

Frequently Asked Questions

What is CVE-2026-104381? +
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.
How do I check if I'm vulnerable to CVE-2026-104381? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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