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Critical 9.2Published Jul 2, 2026

CVE-2026-13368WatchGuard Firebox Race Condition and Use-After-Free in Mobile VPN with IKEv2 LDAP Authentication

Updated under an hour ago ()

Does this affect you?

It affects WatchGuard Fireware OS and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

WatchGuard Fireware OS contains a race condition leading to a use-after-free vulnerability in LDAP authentication for the Mobile User VPN with IKEv2. A remote unauthenticated attacker could exploit this vulnerability to execute arbitrary code in the context of the iked process on Fireboxes that have a Mobile VPN with IKEv2 configured to use an external LDAP authentication server.

CVSS
9.2 CRITICAL (v4.0, CNA)CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness (CWE)
CWE-416
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
WatchGuard
NVD analysis
Analyzed
Record last updated
Aug 27, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
WatchGuard Fireware OS
watchguard:fireware_os (from the name)
from 2025.1 before 2026.2.1; from 12.0 before 12.12.1 not affected; from 11.10.2 through 11.12.4+541730 not affected
CNA record
watchguard fireware
watchguard:fireware
from 2025.1 before 2026.2.1; from 12.5 before 12.5.19; from 11.0.0 before 11.12.4; 11.12.4; 11.12.4; from 12.0 before 12.12.1
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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