CVE-2025-68456 Unauthenticated Craft CMS users can trigger a database backup

High 7.0 Published Updated

Unauthenticated attackers can trigger database backups in Craft CMS, causing resource exhaustion or information disclosure.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2025-68456?

CVE-2025-68456 is a high-severity denial of service vulnerability in Craftcms Craft Cms, published on 5 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Craft is a platform for creating digital experiences. In versions 5.0.0-RC1 through 5.8.20 and 3.0.0 through 4.16.16, unauthenticated users can trigger database backup operations via specific admin actions, 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.

Weakness: CWE-770, CWE-202

Which versions are affected by CVE-2025-68456?

4 open source packages ship an affected version, including craftcms/cms. It affects 1 product.

PackageAffectedFixed in
craftcms/cms PackagistFrom 3.0.04.16.17
craftcms/cms PackagistFrom 3.0.04.16.17
craftcms/cms PackagistFrom 5.0.0-RC15.8.21
craftcms/cms PackagistFrom 5.0.0-RC15.8.21

Products include Craftcms Craft Cms.

How do I fix CVE-2025-68456?

Upgrade craftcms/cms to a fixed version for your release line: 4.16.17 or 5.8.21.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-68456 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-68456 exists.

All Craftcms Craft Cms vulnerabilities

Sources

Also known as GHSA-v64r-7wg9-23pr.

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