Description
An improper authorization vulnerability in WatchGuard Fireware OS's SAML login process allows a remote, authenticated SAML user with access only to the Access Portal to obtain unauthorized Mobile VPN with SSL access through a specially crafted request.
Published: 2026-09-29
Score: 7.2 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

Fireware OS 2026.3.2, Fireware OS 2026.2.3, Fireware OS 12.12.3, Fireware OS 12.5.21

Tracking

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Advisories

No advisories yet.

History

Thu, 08 Oct 2026 20:00:00 +0000

Type Values Removed Values Added
First Time appeared Watchguard fireware
CPEs cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*
Vendors & Products Watchguard fireware
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}


Wed, 30 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 29 Sep 2026 23:30:00 +0000

Type Values Removed Values Added
Description An improper authorization vulnerability in WatchGuard Fireware OS's SAML login process allows a remote, authenticated SAML user with access only to the Access Portal to obtain unauthorized Mobile VPN with SSL access through a specially crafted request.
Title Fireware OS Authorization Bypass in SAML Login Allows Unauthorized SSLVPN Access
First Time appeared Watchguard
Watchguard fireware Os
Weaknesses CWE-285
CWE-863
CPEs cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*
Vendors & Products Watchguard
Watchguard fireware Os
References
Metrics cvssV4_0

{'score': 7.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:H/SA:N'}


Subscriptions

Watchguard Fireware Fireware Os
cve-icon MITRE

Status: PUBLISHED

Assigner: WatchGuard

Published:

Updated: 2026-09-30T15:28:12.596Z

Reserved: 2026-09-04T22:51:30.090Z

Link: CVE-2026-86101

cve-icon Vulnrichment

Updated: 2026-09-30T15:25:30.696Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-30T00:16:36.283

Modified: 2026-10-08T19:40:03.017

Link: CVE-2026-86101

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-30T08:15:17Z

Weaknesses