CVE-2026-114389

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…

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

4.3

4.3 (CVSS v3.1)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)

Timeline (UTC)

Published: 2026-10-21 13:18

Modified: 2026-10-22 17:40

NVD status: Deferred

Last synced 1 day ago

Verified against the source API 2026-10-27 07:05 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

Not reported by the source (unknown — not "none").

Weakness classification (CWE)

CWE-639

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

No vendor advisory or patch reference tagged by NVD. Check the references below.

References

https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/src/CoreBundle/Controller/AiContro... disclosure@vulncheck.com
https://github.com/chamilo/chamilo-lms/commit/2861afd4896ff898a950302f2c00f44726fa6f0a disclosure@vulncheck.com
https://github.com/chamilo/chamilo-lms/issues/7671 disclosure@vulncheck.com
https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.0-RC.3 disclosure@vulncheck.com
https://www.vulncheck.com/advisories/chamilo-lms-2.0.0-alpha.4-before-2.0.0-rc.3-missing-a... disclosure@vulncheck.com

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 07:05 UTC · record ↗

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