What is CVE-2026-33706?

CVE-2026-33706 is a high-severity vulnerability in Chamilo Chamilo-Lms, classified under Improper Privilege Management. CVSS score: 7.1/10. Published 2026-04-10.

How severe is CVE-2026-33706?

High severity. CVSS v3 base score is 7.1 out of 10.

Privilege escalation in Chamilo Chamilo-Lms

CVE-2026-33706

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.

Vulnerability class: Privilege Escalation

Published 2026-04-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Chamilo Chamilo-Lms — versions < 1.11.38
Chamilo Lms

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

github.com/chamilo/chamilo-lms/security/advisories/GHSA-3gqc-xr75-pcpw (Vendor Advisory)
github.com/chamilo/chamilo-lms/commit/0acf8a196307c66c049f97f5ff76cf21c4a08127 (Patch)

Frequently asked questions

What is CVE-2026-33706?: CVE-2026-33706 is a high-severity vulnerability in Chamilo Chamilo-Lms, classified under Improper Privilege Management. CVSS score: 7.1/10. Published 2026-04-10.
How severe is CVE-2026-33706?: High severity. CVSS v3 base score is 7.1 out of 10.