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CVE-2026-90465 Details
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.
Metrics
CVSS 4.0 Severity and Vector Strings:
CNA: WatchGuard Technologies, Inc.CVSS-B:9.4 CRITICALVector: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
CVSS 3.x Severity and Vector Strings:
No CVSS 3.x data is available for this CVE.
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Oct 29, 2026Exploitation: NoneAutomatable: NoTechnical Impact: Total
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://psirt.watchguard.com/CVE-2026-90465 | WatchGuard Technologies, Inc. |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-290 | Authentication Bypass by Spoofing | WatchGuard Technologies, Inc. |
| CWE-306 | Missing Authentication for Critical Function | WatchGuard Technologies, Inc. |
| CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | WatchGuard Technologies, Inc. |
| CWE-862 | Missing Authorization | WatchGuard Technologies, Inc. |
Affected Products
No affected product data is available for this CVE.
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 29, 2026 | CVE Modified | CISA-ADP |
| Oct 29, 2026 | CVE Modified | CISA-ADP |
| Oct 27, 2026 | New CVE Received | WatchGuard Technologies, Inc. |