CVE-2026-84794: Craft CMS 5.0.0 through 5.10.10 Authorization Bypass via assets/move-asset

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-02 · updated 2026-09-04
Weakness: CWE-862

Description

Craft CMS versions before 5.10.11 lack authorization checks in the assets/move-asset endpoint when force=1 is supplied. Authenticated users without peer asset permissions can move their own assets into other users' folders and force deletion of conflicting files, allowing unauthorized asset deletion and replacement.

Affected products

craftcms cms: from 5.0.0-RC1 before 5.10.11 — fixed in 5.10.11

How to fix

Upgrade to a fixed version: craftcms cms 5.10.11. Check the vendor advisory for mitigations.

References

https://github.com/craftcms/cms/security/advisories/GHSA-9xvf-7w97-83mv
https://www.vulncheck.com/advisories/craft-cms-5.0.0-through-5.10.10-authorization-bypass-via-assets-move-asset

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