All vulnerabilities
CVE-2026-101891

WatchGuard AP Improper Access Control in API Service Allows Unauthenticated Access

WatchGuard WatchGuard APNetwork & edge
Open in ThreatlineRecord JSON
CVSS
9.3Critical
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.27%Chance of exploitation activity in the next 30 days, higher than 18% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in3.4.8Fixed versionCVE List
Published28 Sep 2026Updated 28 Sep 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

An improper access control vulnerability in an internal API service on WatchGuard Access Points allows an unauthenticated attacker with network access to the AP to obtain a valid API session.

Text from CVE List

Affected versions 1

  • WatchGuard APaffected: 1.0 before 3.4.8CVE List

References 1