CVE-2026-108113
Severity CVSS v4.0:
HIGH
Type:
CWE-434
Unrestricted Upload of File with Dangerous Type
Publication date:
09/10/2026
Last modified:
09/10/2026
Description
ILIAS before 9.24, 10.12, and 11.5 contains an unrestricted file upload vulnerability in QTI question import image handling (ilQtiMatImageSecurity) that allows authenticated authors to write executable files. Attackers with question pool import rights can import a crafted archive writing a .htaccess and PHP file to the web-served image directory, achieving remote code execution as the web server user.
Impact
Base Score 4.0
8.70
Severity 4.0
HIGH
Base Score 3.x
8.80
Severity 3.x
HIGH
References to Advisories, Solutions, and Tools
- https://docu.ilias.de/go/blog/15821/950
- https://docu.ilias.de/go/blog/15821/951
- https://docu.ilias.de/go/blog/15821/952
- https://github.com/ILIAS-eLearning/ILIAS
- https://github.com/ILIAS-eLearning/ILIAS/blob/v10.11/components/ILIAS/QTI/classes/class.ilQtiMatImageSecurity.php#L110-L122
- https://github.com/ILIAS-eLearning/ILIAS/commit/47c8462bf46bbebd543a9f3b39c7896b0e9e7362
- https://github.com/ILIAS-eLearning/ILIAS/commit/58ee5b1767212530f9948adb0e7d5aecec66ce60
- https://github.com/ILIAS-eLearning/ILIAS/commit/5b200351330bee698432a45c0877c5bc694c367a
- https://www.vulncheck.com/advisories/ilias-before-9.24-10.12-and-11.5-unrestricted-file-upload-via-qti-import


