Missing Authorization in Grav CMS - CVE-2026-64852
Published: July 8, 2026 / Updated: August 21, 2026
Vulnerability identifier: #VU137080
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-64852
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote user to bypass authorization checks.
The vulnerability exists due to missing authorization on API-key generate/revoke. A remote administrator can user forge keys for any account.
Affected software
Grav CMS
How to mitigate CVE-2026-64852
Install updates from vendor's website.
Grav CMS - update to 1.0.8