CVE-2026-42613

CRITICAL EPSS 56.4%
Published May 11, 20261mo ago · Modified Jun 17, 20262w ago
9.4 CVSS 3.1
Critical
Find Similar
Published May 11, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
9.4
Exploitability
3.9
Impact
5.5
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability Low

Threat Intelligence

EPSS Exploit Probability
56.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-20 Improper Input Validation Validation
CWE-862 Missing Authorization Authorization

References 3

  • github.com https://github.com/getgrav/grav-plugin-login/commit/3d419a0dabd70aed1fd49afcd5919004a4141da1
  • github.com https://github.com/getgrav/grav/security/advisories/GHSA-pxm6-mhxr-q4mj
  • github.com https://github.com/getgrav/grav/security/advisories/GHSA-w48r-jppp-rcfw

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.