CVE-2026-63358
HIGH
NVD
CVSS Score
7.3
Severity
HIGH
Published
Jul 21, 2026
Vendor
unknown
Description
FileGator accepts arbitrary Unix permission values via the '/chmoditems' API endpoint and passes the value directly to PHP's native 'chmod()' function through 'octdec()' conversion, with no validation. This allows an authenticated user with 'chmod' permission to upgrade their privileges to root.
References
- https://github.com/filegator/filegator/blob/master/CHANGELOG.md#7142---2026-05-18
- https://github.com/filegator/filegator/commit/4a44ed9a43f84505703dce669c68fb55270c3f2c
- https://github.com/filegator/filegator/tree/master
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-202-03.json
- https://www.cve.org/CVERecord?id=CVE-2026-63358