Incorrect authorization in Directus - CVE-2026-35412
Published: April 23, 2026
Vulnerability identifier: #VU127127
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-2026-35412
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to overwrite arbitrary existing files.
The vulnerability exists due to incorrect authorization in the TUS resumable upload endpoint (/files/tus) when handling file replacement requests by UUID. A remote user can send a crafted TUS upload request to overwrite arbitrary existing files.
Row-level permission rules on specific files are bypassed through the TUS upload path, and the targeted file's metadata may also be modified.
Affected software
Directus
How to mitigate CVE-2026-35412
Install security update from vendor's website.
Directus - update to 11.16.1