CVE-2026-86105

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.

Score

CVSS 3.1 7.1 High

Status

Analyzed - 5d1c2695-1a31-4499-88ae-e847036fd7e3

Published

2026-09-29

Last modified

2026-10-06

Weaknesses

CWE-176, CWE-22, CWE-285

Affected products

• Fireware (Watchguard)
• Fireware Os (Watchguard)

References

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