VulnerabilityAnalyzed

CVE-2026-33706

This vulnerability is fixed in 1.11.38.

HIGH 7.1EPSS 0.17%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Chamilo LMS is a learning management system. Prior to 1.11.38, any authenticated user with a REST API key can modify their own status field via the update_user_from_username endpoint. A student (status=5) can change their status to Teacher/CourseManager (status=1), gaining course creation and management privileges. This vulnerability is fixed in 1.11.38.

CVSS 3.1: 7.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
EPSS: 0.17% probability · 6th percentile
CISA KEV: Not listed
Weakness: CWE-269
Affected: chamilo/chamilo lms
Source: security-advisories@github.com

References

https://github.com/chamilo/chamilo-lms/commit/0acf8a196307c66c049f97f5ff76cf21c4a08127Patch
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-3gqc-xr75-pcpwVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.