Vulnerability · Published Sep 29, 2026 · Assigned by WatchGuard

CVE-2026-13224Fireware OS Path Traversal in WebUI Management Agent Allows Arbitrary Local File Read

High 8.2

In plain English

A high-severity path traversal in Fireware OS from WatchGuard. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).

Severity (CVSS 4.0)8.2High
Exploit odds (30 days)0.4%top 69.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A path traversal vulnerability in the Fireware OS WebUI management agent allows an authenticated administrator to read or list arbitrary files on the local filesystem by sending a specially crafted management request.

Affected products (as reported)

VendorProductVersions
WatchGuard Fireware OS 12.0 – before 12.5.21
WatchGuard Fireware OS 2026.3 – before 2026.3.22025.0 – before 2026.2.312.0 – before 12.12.3

Weakness: CWE-22, CWE-23 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

References