Auth bypass in Chamilo Chamilo-lms

CVE-2026-34370

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the notebook module contains an Insecure Direct Object Reference (IDOR) vulnerability that allows any authenticated student to read the private cour…

EPSS: 0.000 (11.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-34370?
CVE-2026-34370 is a medium-severity vulnerability in Chamilo Chamilo-lms, classified under Improper Authorization. CVSS score: 6.5/10. Published 2026-04-14.
How severe is CVE-2026-34370?
Medium severity. CVSS v3 base score is 6.5 out of 10.