CVE-2026-13046

UNKNOWN

Description

A deserialization of untrusted data vulnerability in WatchGuard Fireware OS's SAML single sign-on session handling (samld) allows an attacker who has already obtained the ability to write files on the appliance to execute arbitrary code in the context of the samld service by causing samld to load a maliciously crafted session file.

Timeline

Published:September 30th, 2026 12:16 AM

Last modified:October 1st, 2026 4:18 AM

CVSS Scoring

No CVSS v3 score available

Weaknesses (CWE)

CWE-502

References & Reports

Advisories, patches, and third-party reports

https://psirt.watchguard.com/CVE-2026-13046

Source: NIST NVD · Data may lag official sources by up to one minute