CVE-2026-42613

critical

Description

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 registration is enabled and groups or access are included in the configured allowed fields list, an unauthenticated user can self-register with admin.super privileges by injecting these fields into the registration request. This vulnerability is fixed in 2.0.0-beta.2.

References

https://github.com/getgrav/grav/security/advisories/GHSA-w48r-jppp-rcfw

https://github.com/getgrav/grav/security/advisories/GHSA-pxm6-mhxr-q4mj

https://github.com/getgrav/grav-plugin-login/commit/3d419a0dabd70aed1fd49afcd5919004a4141da1

Details

Source: Mitre, NVD

Published: 2026-05-11

Updated: 2026-05-12

Risk Information

CVSS v2

Base Score: 9.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:P

Severity: High

CVSS v3

Base Score: 9.4

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Severity: Critical

EPSS

EPSS: 0.00054