Improper access control in Grav CMS - CVE-2026-42610
Published: May 5, 2026
Vulnerability identifier: #VU130077
CSH Severity: Low
CVSS v4: 7.1 [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]
CVE-ID: CVE-2026-42610
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Grav CMS
How to mitigate CVE-2026-42610
Install security update from vendor's website.
Grav CMS - update to 2.0.0 beta.2