[HIGH] Grav: Missing admin.super guard on core group blueprint access field allows admin.users operator to escalate to super-admin

PKSA-dzhx-7r7k-p6cx CVE-2026-75837 GHSA-xhfv-7758-r9hx

Affected package: getgrav/grav

Affected version: <2.0.14

Reported by:
GitHub