ILIAS up to 9.23/10.11/11.4 assImagemapQuestionGUI escapeshellcmd argument injection

Summaryinfo

A vulnerability was found in ILIAS up to 9.23/10.11/11.4. It has been rated as critical. This vulnerability affects the function escapeshellcmd of the component assImagemapQuestionGUI. This manipulation causes argument injection. The identification of this vulnerability is CVE-2026-107639. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in ILIAS up to 9.23/10.11/11.4. It has been declared as critical. Affected by this vulnerability is the function escapeshellcmd of the component assImagemapQuestionGUI. The manipulation with an unknown input leads to a argument injection vulnerability. The CWE definition for the vulnerability is CWE-88. The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at docu.ilias.de. This vulnerability is known as CVE-2026-107639 since 10/08/2026. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

Upgrading to version 9.24, 10.12 or 11.5 eliminates this vulnerability.

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Productinfo

Name

• ILIAS

Version

• 9.0
• 9.1
• 9.2
• 9.3
• 9.4
• 9.5
• 9.6
• 9.7
• 9.8
• 9.9
• 9.10
• 9.11
• 9.12
• 9.13
• 9.14
• 9.15
• 9.16
• 9.17
• 9.18
• 9.19
• 9.20
• 9.21
• 9.22
• 9.23
• 10.0
• 10.1
• 10.2
• 10.3
• 10.4
• 10.5
• 10.6
• 10.7
• 10.8
• 10.9
• 10.10
• 10.11
• 11.0
• 11.1
• 11.2
• 11.3
• 11.4

License

• open-source

CPE 2.3info

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• 🔒
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CPE 2.2info

• 🔒
• 🔒
• 🔒

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CVSSv3info

CVSSv2info

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Entryinfo

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