CVE-2026-108113
ILIAS before 9.24, 10.12, and 11.5 contains an unrestricted file upload vulnerability in QTI question import image handl
Summary
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.
Published 2026-10-09 · first seen here 2026-10-10
Analysis & write-ups
No technical write-up from a research team yet. Contact Zero checks Unit 42, Google/Mandiant, Microsoft, Talos, CrowdStrike, Rapid7, watchTowr and others several times a day, plus NVD and CISA reference links.
Hunt & detect
Threat hunt brief, Sigma rule and Splunk / Sentinel / CrowdStrike queries are not available for this item yet.
References
- NVD entry
- 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