CVE-2023-36486

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-25 · updated 2026-06-17

Description

The workflow-engine of ILIAS before 7.23 and 8 before 8.3 allows remote authenticated users to run arbitrary system commands on the application server as the application user by uploading a workflow definition file with a malicious filename.

Affected products

ILIAS: before 7.23; from 8.0 before 8.3 — fixed in 7.23, 8.3

How to fix

Upgrade to a fixed version: ILIAS 7.23, 8.3. Check the vendor advisory for mitigations.

References

https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=xd:kx:54&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=3439&prvm=fsc&bmn=2023-12&blpg=786
https://github.com/ILIAS-eLearning/ILIAS/pull/5987
https://github.com/ILIAS-eLearning/ILIAS/pull/5988
https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=xd:kx:54&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=3439&prvm=fsc&bmn=2023-12&blpg=786
https://github.com/ILIAS-eLearning/ILIAS/pull/5987
https://github.com/ILIAS-eLearning/ILIAS/pull/5988

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