CVE-2026-114389
Chamilo LMS from 2.0.0-alpha.4 before 2.0.0-RC.3 contains a missing authorization vulnerability in AiController::openAnswerGrade that allows
CVSS
4.3
Medium
EPSS
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KEV
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Exploit Today
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0-100
Published: Oct 21, 2026 · Last modified: Oct 21, 2026 · CWE-639
Not enough EPSS history yet.
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.
- github.comhttps://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/src/CoreBundle/Controller/AiController.php#L525-L703
- github.comhttps://github.com/chamilo/chamilo-lms/commit/2861afd4896ff898a950302f2c00f44726fa6f0a
- github.comhttps://github.com/chamilo/chamilo-lms/issues/7671
- github.comhttps://github.com/chamilo/chamilo-lms/releases/tag/v2.0.0-RC.3
- www.vulncheck.comhttps://www.vulncheck.com/advisories/chamilo-lms-2.0.0-alpha.4-before-2.0.0-rc.3-missing-authorization-via-openanswergrade
CVECVSSEPSSKEVRExploitTitleMod.
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