CVE-2026-101891

WatchGuard AP Improper Access Control in API Service Allows Unauthenticated Access

Published Sep 28, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

WatchGuard AP 3.4.8

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title WatchGuard AP Improper Access Control in API Service Allows Unauthenticated Access
First Time appeared Watchguard
Watchguard watchguard Ap
Weaknesses CWE-284
CWE-923
CPEs cpe:2.3:a:watchguard:watchguard_ap:*:*:*:*:*:*:*:*
Vendors & Products Watchguard
Watchguard watchguard Ap
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
WatchGuard
Published
Updated
Sep 28, 2026, 6:02 PM
Reserved
Sep 28, 2026, 3:53 PM
Status
Deferred
Published
Sep 28, 2026, 5:17 PM
Modified
Sep 28, 2026, 8:51 PM