CVE-2026-86105 — Fireware OS Improper Authorization in Access Portal Reverse Proxy

CVE-2026-86105

Fireware OS Improper Authorization in Access Portal Reverse Proxy PUBLISHED

Description (CNA)

An improper authorization vulnerability in Fireware OS's Access Portal reverse proxy allows an authenticated, low-privileged Access Portal user to access other web applications they are not authorized for by sending a specially crafted request for a different resource which they are authorized to access.

Affected (CNA)

Vendor / product	Versions
WatchGuard / Fireware OS	affected 2026.3 before 2026.3.2; affected 2025.0 before 2026.2.3; affected 12.0 before 12.12.3
WatchGuard / Fireware OS	affected 12.0 before 12.5.21

CWE

CWE-176, CWE-22, CWE-285

References

https://psirt.watchguard.com/CVE-2026-86105

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.