High severity · published Jan 30, 2026
CVE-2026-1498
WatchGuard Firebox LDAP Injection
7.0
CVSS
0.9%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fireware OS · WatchGuard
2025.1 before 2026.1; 12.0 before 12.11.7; 12.0 before 12.5.16 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1498
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1498
psirt.watchguard.com
https://psirt.watchguard.com/CVE-2026-1498
www.watchguard.com
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00001
More from Fireware OS
9.8
CVE-2025-14733
WatchGuard Firebox iked Out of Bounds Write Vulnerability
9.8
CVE-2025-9242
WatchGuard Firebox iked Out of Bounds Write Vulnerability
9.8
CVE-2026-86131
Fireware OS Code Injection in BOVPN Over TLS Client Allows Remote Code Execution
9.5
CVE-2026-103594
Fireware OS Stack Buffer Overflow in WireGuard Configuration Allows Remote Code Execution
9.4
CVE-2026-90465
Fireware OS Missing Authentication in FireCluster Sync Allows Privilege Escalation