CVE-2026-107639 ILIAS before 9.24, 10.12, and 11.5 Argument Injection via Image Map Question Upload Filename
Attackers can inject ImageMagick options via filenames to write PHP files and achieve remote code execution in ILIAS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-107639?
CVE-2026-107639 is a high-severity command injection vulnerability in ILIAS-eLearning e.V. ILIAS, published on 8 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
ILIAS before 9.24, 10.x before 10.12 and 11.x before 11.5 contains an argument injection vulnerability in assImagemapQuestionGUI that allows question authors to inject ImageMagick convert options via uploaded image filenames. Attackers can embed tab-separated options, which escapeshellcmd() does not neutralise, to write a PHP file under the web root and achieve remote code execution.
Weakness: CWE-88
Which versions are affected by CVE-2026-107639?
How do I fix CVE-2026-107639?
No fix has been published for CVE-2026-107639 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-107639 being exploited?
There is no known exploitation of CVE-2026-107639 in the wild and no public exploit code.
Sources
Also known as GHSA-xh43-6gc2-xccj.