Vulnerability · Published Jan 30, 2026 · Assigned by WatchGuard

CVE-2026-1498WatchGuard Firebox LDAP Injection

High 7.0

In plain English

A high-severity security flaw 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 0.9% (higher than 60% of all known vulnerabilities).

Severity (CVSS 4.0)7.0High

Exploit odds (30 days)0.9%top 39.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

An LDAP Injection vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to retrieve sensitive information from a connected LDAP authentication server through an exposed authentication or management web interface. This vulnerability may also allow a remote attacker to authenticate as an LDAP user with a partial identifier if they additionally have that user's valid passphrase.

Affected products (as reported)

Vendor	Product	Versions
WatchGuard	Fireware OS	2025.1 – before 2026.112.0 – before 12.11.7
WatchGuard	Fireware OS	12.0 – before 12.5.16

Weakness: CWE-90 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N

References

https://psirt.watchguard.com/CVE-2026-1498 vendor-advisory
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00001 vendor-advisory