LDAP injection in Fireware OS - CVE-2026-1498
Published: January 30, 2026
Vulnerability identifier: #VU122143
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-1498
CWE-ID: CWE-90
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: WatchGuard
Affected software:
Fireware OS
Fireware OS
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to improper input validation when processing DLAP queries. A remote non-authenticated attacker can send a specially crafted LDAP query to the application via an exposed authentication or management interface, bypass authentication process and gain unauthorized access to the application.
How to mitigate CVE-2026-1498
Install updates from vendor's website.