Vulnerability in Chamilo Chamilo-lms
CVE-2026-33710
Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, REST API keys are generated using md5(time() + (user_id * 5) - rand(10000, 10000)). The rand(10000, 10000) call always returns exactly 10000 (min == max), making…
EPSS: 0.000 (13.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Chamilo Chamilo-lms — versions < 1.11.38, >= 2.0.0-alpha.1, < 2.0.0-RC.3
Weakness classification (CWE)
References
- https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-rpmg-j327-mr39 (x_refsource_CONFIRM)
- https://github.com/chamilo/chamilo-lms/commit/4448701bb8ec557e94ef02d19c72cbe9c49c2d09 (x_refsource_MISC)
- https://github.com/chamilo/chamilo-lms/commit/e7400dd840586ae134b286d0a2374f3d269a9a9d (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-33710?
- CVE-2026-33710 is a high-severity vulnerability in Chamilo Chamilo-lms, classified under Use of Insufficiently Random Values. CVSS score: 7.5/10. Published 2026-04-10.
- How severe is CVE-2026-33710?
- High severity. CVSS v3 base score is 7.5 out of 10.