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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-90465

Fireware OS Missing Authentication in FireCluster Sync Allows Privilege Escalation

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Status
Published
Published
Updated
Assigning organization
WatchGuard

Description

A missing authentication vulnerability in the FireCluster Sync processing allows an attacker positioned on the cluster interconnect, such as a compromised cluster peer or an on-path network attacker, to invoke privileged firewall management actions as root by sending a specially crafted request.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

WatchGuard Fireware OS

Default version status: unaffected

  • 2025.1 to < 2026.4affected
  • 12.0 to < 12.12.4affected

WatchGuard Fireware OS

Default version status: unaffected

  • 12.0 to < 12.5.22affected

References