CVE-2026-114389
CVE-2026-114389 · Chamilo LMS 2.0.0-alpha.4 before 2.0.0-RC.3 Missing Authorization via openAnswerGrade
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Chamilo LMS from 2.0.0-alpha.4 before 2.0.0-RC.3 contains a missing authorization vulnerability in AiController::openAnswerGrade that allows any authenticated user to obtain AI grading of other students' exam attempts. Attackers can enumerate exeId and questionId values sent to the open_answer_grade endpoint to expose other students' answers through feedback and consume AI quota.
CVSS 5.3 · Medium · EPSS 0.3% · Fix available
- Published
- Updated
Affected products and versions
chamilo-lms
- Versions
- ≥ 2.0.0-alpha.4, < 2.0.0-RC.3: Affected (custom)
Update to 2.0.0-RC.3
Original sources
- https://github.com/chamilo/chamilo-lms/issues/7671
- https://github.com/chamilo/chamilo-lms/commit/2861afd4896ff898a950302f2c00f44726fa6f0a
- https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.0-RC.3
- https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/src/CoreBundle/Controller/AiController.php#L525-L703
- https://www.vulncheck.com/advisories/chamilo-lms-2.0.0-alpha.4-before-2.0.0-rc.3-missing-authorization-via-openanswergrade
- https://nvd.nist.gov/vuln/detail/CVE-2026-114389