Deserialization of Untrusted Data in Fireware OS - CVE-2026-13046
Published: October 2, 2026
Vulnerability identifier: #VU153116
CSH Severity: Medium
CVSS v4: 7.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-13046
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation within the handling of session files in the samld service. A remote user can pass specially crafted data to the application and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Fireware OS
How to mitigate CVE-2026-13046
Install updates from vendor's website.
Fireware OS - addressed in versions 12.12.3, 2026.2.3, 2026.3.2