Privilege escalation in Getgrav Grav
CVE-2026-65603
The Grav Login plugin (grav-plugin-login) versions <= 3.8.11 contain a privilege escalation flaw in the authenticated profile self-update handler (processUserProfile(), the update_user task). Unlike the registration handler, this handler d…
Vulnerability class: Privilege Escalation
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Getgrav Grav — versions 0, 3.8.12
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-65603?
- CVE-2026-65603 is a high-severity vulnerability in Getgrav Grav, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2026-07-22.
- How severe is CVE-2026-65603?
- High severity. CVSS v3 base score is 8.8 out of 10.