CVE-2026-86101
published 2026-09-30CVE-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…
PriorityP348high7.2CVSS 4.0
AVNACLATPPRLUINVCHVILVANSCHSIHSANEXCRXIRXARXMAVXMACXMATXMPRXMUIXMVCXMVIXMVAXMSCXMSIXMSAXSXAUXRXVXREXUX
EPSS
0.23%
12.9th percentile
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.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| watchguard | fireware_os | >= 12.0 < 12.12.3 | 12.12.3 |
| watchguard | fireware_os | >= 12.0 < 12.5.21 | 12.5.21 |
| watchguard | fireware_os | >= 2025.0 < 2026.2.3 | 2026.2.3 |
| watchguard | fireware_os | >= 2026.3 < 2026.3.2 | 2026.3.2 |
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VulDB
WatchGuard Fireware OS SAML Login Process improper authorization
vuldb·2026-09-30·CVSS 7.2
CVE-2026-86101 [HIGH] WatchGuard Fireware OS SAML Login Process improper authorization
A vulnerability was found in WatchGuard Fireware OS. It has been classified as critical. Affected by this vulnerability is an unknown functionality of the component SAML Login Process. This manipulation causes improper authorization.
The identification of this vulnerability is CVE-2026-86101. It is possible to initiate the attack remotely. There is no exploit available.
GHSA
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
ghsa_unreviewed·2026-09-30
CVE-2026-86101 [HIGH] CWE-285 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
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-09-30
Published