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.
Published: 2026-10-27
Score: 8.7 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

Fireware OS 2026.4, Fireware OS 12.12.4, Fireware OS 12.5.22

Tracking

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Advisories

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History

Tue, 27 Oct 2026 16:00:00 +0000

Type Values Removed Values Added
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.
Title Fireware OS Missing Authentication in FireCluster Sync Allows Privilege Escalation
First Time appeared Watchguard
Watchguard fireware Os
Weaknesses CWE-290
CWE-306
CWE-77
CWE-862
CPEs cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*
Vendors & Products Watchguard
Watchguard fireware Os
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

Subscriptions

Watchguard Fireware Os
cve-icon MITRE

Status: PUBLISHED

Assigner: WatchGuard

Published:

Updated: 2026-10-27T15:52:29.859Z

Reserved: 2026-09-11T23:00:37.234Z

Link: CVE-2026-90465

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-27T16:17:31.640

Modified: 2026-10-27T16:17:31.640

Link: CVE-2026-90465

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses