Auth bypass in Getgrav Grav
CVE-2026-42609
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a business logic vulnerability in the Grav Admin Panel allows a low-privileged user (with only user creation permissions) to overwrite existing accounts, including the primary admin…
Vulnerability class: Privilege Escalation
EPSS: 0.000 (12.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
Affected products
- Getgrav Grav — versions < 2.0.0-beta.2, 2.0.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Patch, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-42609?
- CVE-2026-42609 is a high-severity vulnerability in Getgrav Grav, classified under Improper Privilege Management. CVSS score: 8.1/10. Published 2026-05-11.
- How severe is CVE-2026-42609?
- High severity. CVSS v3 base score is 8.1 out of 10.