CVE-2026-86101

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.

Score

CVSS 4.0 7.2 High

Status

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

Published

2026-09-29

Last modified

2026-10-08

Weaknesses

CWE-285, CWE-863

Affected products

• Fireware (Watchguard)
• Fireware Os (Watchguard)

References

• https://psirt.watchguard.com/CVE-2026-86101