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GeekWala

CVE-2025-68456

HIGH

Unauthenticated Craft CMS users can trigger a database backup

Published January 5, 2026Updated February 3, 2026Source: osv

Summary

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`

Remediation

Upgrade to the fixed version using your package manager.

Composer
Update craftcms/cms to 5.8.21 or later
composer require "craftcms/cms:^5.8.21"
Composer
Update craftcms/cms to 4.16.17 or later
composer require "craftcms/cms:^4.16.17"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (2)

PackageEcosystemAffectedFixed In
craftcms/cms
packagist
5.0.0, 5.0.0-RC1, 5.0.1, 5.0.2 (+138 more)5.8.21
craftcms/cms
packagist
3.0.0, 3.0.0.1, 3.0.0.2, 3.0.1 (+664 more)4.16.17

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.6 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
—
Confidentiality
—
Integrity
—
Availability
—

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

References

Frequently Asked Questions

What is CVE-2025-68456?
Unauthenticated Craft CMS users can trigger a database backup This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.6/10).
How do I check if my project is affected by CVE-2025-68456?
CVE-2025-68456 affects craftcms/cms. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2025-68456 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
8.6

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-v64r-7wg9-23pr

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