Vulnerability Description
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 Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/src/CoreBundle/Controlle
- https://github.com/chamilo/chamilo-lms/commit/2861afd4896ff898a950302f2c00f44726
- https://github.com/chamilo/chamilo-lms/issues/7671
- https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.0-RC.3
- https://www.vulncheck.com/advisories/chamilo-lms-2.0.0-alpha.4-before-2.0.0-rc.3
FAQ
What is CVE-2026-114389?
CVE-2026-114389 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 studen...
How severe is CVE-2026-114389?
CVE-2026-114389 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-114389?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.