Auth bypass in Chamilo Chamilo-lms
CVE-2026-34160
Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the PENS (Package Exchange Notification Services) plugin endpoint at public/plugin/Pens/pens.php is accessible without authentication and accepts a…
Vulnerability class: Broken Authentication
EPSS: 0.001 (25.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.
Affected products
- Chamilo Chamilo-lms — versions < 2.0-RC.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-g2xj-4cch-j276 (x_refsource_CONFIRM)
- https://github.com/chamilo/chamilo-lms/commit/de4058d76fac2413afd023b1ec942e8e79579011 (x_refsource_MISC)
- https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.0-RC.3 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-34160?
- CVE-2026-34160 is a high-severity vulnerability in Chamilo Chamilo-lms, classified under Missing Authentication for Critical Function. CVSS score: 8.6/10. Published 2026-04-14.
- How severe is CVE-2026-34160?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2026-34160 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.