What’s Vulnerable › Vulnerabilities

CVE-2026-108113: ILIAS before 9.24, 10.12, and 11.5 Unrestricted File Upload via QTI Import

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-09 · updated 2026-10-13
• Weakness: CWE-434

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.

Affected products

• ILIAS-eLearning e.V. ILIAS: from 5.2.8 before 9.24; from 10.0 before 10.12; from 11.0 before 11.5 — fixed in 10.12, 11.5, 9.24

How to fix

Upgrade to a fixed version: ILIAS-eLearning e.V. ILIAS 10.12, 11.5, 9.24. Check the vendor advisory for mitigations.

References

• 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

Get alerted when CVE-2026-108113 or the next vulnerability affects your stack