CVE-2026-33141Chamilo LMS has an IDOR in REST API Stats Endpoint Exposes Any User's Learning Data
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No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
Chamilo LMS is a learning management system. Prior to 2.0.0-RC.3, an Insecure Direct Object Reference (IDOR) vulnerability in the REST API stats endpoint allows any authenticated user (including low-privilege students with ROLE_USER) to read any other user's learning progress, certificates, and gradebook scores for any course, without enrollment or supervisory relationship. This vulnerability is fixed in 2.0.0-RC.3.
- CVSS
- 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-639, CWE-862
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitHub_M
- NVD analysis
- Analyzed
- Record last updated
- Apr 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
chamilo chamilo-lms chamilo:lms (from the name) | before 2.0.0-RC.3 | CNA record |
chamilo chamilo_lms chamilo:chamilo_lms | through 1.11.38; 2.0.0; 2.0.0; 2.0.0; 2.0.0; 2.0.0; 2.0.0; 2.0.0; and 3 more ranges | NVD |
References
- https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-j2pr-2r5w-jrpjx-refsource-confirm, vendor-advisory
- https://github.com/chamilo/chamilo-lms/commit/792ba05953470ca971617fe2674ed14c1479fa80x-refsource-misc, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.