What is CVE-2026-33702?

CVE-2026-33702 is a high-severity vulnerability in Chamilo Chamilo-lms, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.1/10. Published 2026-04-10.

How severe is CVE-2026-33702?

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

Auth bypass in Chamilo Chamilo-lms

CVE-2026-33702

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, Chamilo LMS contains an Insecure Direct Object Reference (IDOR) vulnerability in the Learning Path progress saving endpoint. The file lp_ajax_save_item.php accep…

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.000 (14.5th percentile) — read the EPSS interpretation.

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:N/I:H/A:L.

Affected products

Chamilo Chamilo-lms — versions < 1.11.38, >= 2.0.0-alpha.1, < 2.0.0-RC.3

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-3rv7-9fhx-j654 (x_refsource_CONFIRM)
https://github.com/chamilo/chamilo-lms/commit/6331d051b4468deb5830c01d1e047c5e5cf2c74f (x_refsource_MISC)
https://github.com/chamilo/chamilo-lms/commit/bf3f6c6949b5c882b48a9914baa19910417e4551 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33702?: CVE-2026-33702 is a high-severity vulnerability in Chamilo Chamilo-lms, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.1/10. Published 2026-04-10.
How severe is CVE-2026-33702?: High severity. CVSS v3 base score is 7.1 out of 10.