Improper access control in Grav CMS - CVE-2026-42610
Published: May 5, 2026
Vulnerability identifier: #VU130077
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-42610
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Grav CMS
Affected software:
Grav CMS
Grav CMS
Detailed vulnerability description
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to improper access control in the Twig environment accounts service when rendering user-supplied Twig content. A remote user can inject Twig expressions that access administrative user objects and configuration values to disclose sensitive information.
Exploitation requires the ability to edit page content with Twig processing enabled.
How to mitigate CVE-2026-42610
Install security update from vendor's website.