GitHub Advisoryadvisory · Packagist

GHSA-v64r-7wg9-23pr Unauthenticated Craft CMS users can trigger a database backup

HIGH Published 2026-01-05 Modified 2026-01-09 Official page ↗
Aliases
CVE-2025-68456
Ecosystem
Packagist
Packages
craftcms/cms
Severity
High
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:P
Weaknesses
CWE-202, CWE-770
Reviewed
2026-01-05

Affected packages

• Packagist craftcms/cms: >= 5.0.0-RC1, < 5.8.21 → fixed in 5.8.21 • Packagist craftcms/cms: >= 3.0.0, < 4.16.17 → fixed in 4.16.17

Description

Unauthenticated users can trigger database backup operations the `updater/backup` action, potentially leading to resource exhaustion or information disclosure. Users should update to the patched versions (5.8.21 and 4.16.17) to mitigate the issue. Craft 3 users should update to the latest Craft 4 and 5 releases, which include the fixes. References: https://github.com/craftcms/cms/commit/f83d4e0c6b906743206b4747db4abf8164b8da39 https://github.com/craftcms/cms/blob/5.x/CHANGELOG.md#5821---2025-12-04 Affected Endpoints • `POST /admin/actions/updater/backup` (unauthenticated) Vulnerability Details Root Cause All `updater/*` actions are explicitly configured with anonymous access: ```php // BaseUpdaterController.php protected array|bool|int $allowAnonymous = self::ALLOW_ANONYMOUS_LIVE | self::ALLOW_ANONYMOUS_OFFLINE; ``` Attack Vector 1. Send unauthenticated POST request to `/admin/actions/updater/backup` 2. Database backup executes with configured `backupCommand`

Related

Alias · CVE (1)

  • CVE-2025-68456 Craft is a platform for creating digital experiences. vulnerability

Weakness · CWE (2)

  • CWE-202 Exposure of Sensitive Information Through Data Queries weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling weakness

References