CVE-2026-75837: Getgrav Grav

Critical severity, CVSS 9.1. EPSS: 0.5% chance of exploitation in the next 30 days.

Grav before 2.0.14 fails to guard the access field in the core group blueprint with the required security@: admin.super restriction. A delegated admin.users operator can save a group with access[admin][super]=true to escalate to super-admin, gaining scheduler and Twig evaluation capabilities.

Affected products

• Getgrav Grav: before 2.0.14 (fixed in 2.0.14)

Published 2026-08-18. Last modified 2026-10-08.