Missing Authorization in Craft CMS - CVE-2026-84794
Published: August 19, 2026 / Updated: September 14, 2026
Vulnerability identifier: #VU144276
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-84794
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to delete and replace another user's asset.
The vulnerability exists due to improper access control in assets/move-asset when handling requests with force=1. A remote user can send a specially crafted request to delete and replace another user's asset.
Exploitation requires an authenticated Control Panel user who can manage their own assets in a volume but lacks peer asset permissions, and is limited to assets in the same volume with a conflicting filename.
Affected software
Craft CMS
How to mitigate CVE-2026-84794
Install security update from vendor's website.
Craft CMS - update to 5.10.11