CVE-2026-67207 Wolf CMS 0.8.3.1 Authorization Bypass via BackupRestoreController

High 8.7 Published Updated

Authenticated non-admin users can bypass permission checks to create, download, and restore backups due to a logic flaw.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-67207?

CVE-2026-67207 is a high-severity authentication bypass vulnerability in wolfcms, published on 30 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Wolf CMS through 0.8.3.1 contains an authorization bypass vulnerability in BackupRestoreController that allows authenticated non-administrative users to access restricted backup functionality due to a PHP operator precedence flaw in the permission check expression. Attackers can exploit the incorrect evaluation of the access control expression to create, download, and restore backups without administrative privileges.

Weakness: CWE-697

Which versions are affected by CVE-2026-67207?

How do I fix CVE-2026-67207?

No fix has been published for CVE-2026-67207 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-67207 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-67207 exists.

Sources

Also known as GHSA-xv6g-v6rg-vw4p.

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