What is CVE-2026-42613?

CVE-2026-42613 is a critical-severity vulnerability in Getgrav Grav, classified under Improper Input Validation. CVSS score: 9.4/10. Published 2026-05-11.

How severe is CVE-2026-42613?

Critical severity. CVSS v3 base score is 9.4 out of 10.

Auth bypass in Getgrav Grav

CVE-2026-42613

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, the Login::register() method in the Login plugin accepts attacker-controlled groups and access fields from the registration POST data without server-side validation. When registrati…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.000 (6.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.4 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L.

Affected products

Getgrav Grav — versions < 2.0.0-beta.2

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
134c704f-9b21-4f2e-91b3-4a467353bcc0

Frequently asked questions

What is CVE-2026-42613?: CVE-2026-42613 is a critical-severity vulnerability in Getgrav Grav, classified under Improper Input Validation. CVSS score: 9.4/10. Published 2026-05-11.
How severe is CVE-2026-42613?: Critical severity. CVSS v3 base score is 9.4 out of 10.