CVE-2025-59544: Chamilo: Unauthorized access to update category of any user

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-06 · updated 2026-06-17
Weakness: CWE-862

Description

Chamilo is a learning management system. Prior to version 1.11.34, the functionality for the user to update the category does not implement authorization checks for the "category_id" parameter which allows users to update the category of any user by replacing the "category_id" parameter. This issue has been patched in version 1.11.34.

Affected products

chamilo-lms: before 1.11.34 — fixed in 1.11.34

How to fix

Upgrade to a fixed version: chamilo-lms 1.11.34. Check the vendor advisory for mitigations.

References

https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.34
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-x3h9-h7qf-wwrf

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