CVE-2026-114389 (GCVE-0-2026-114389)

Vulnerability from cvelistv5 – Published: 2026-10-21 12:39 – Updated: 2026-10-21 15:48
VLAI
Title
Chamilo LMS 2.0.0-alpha.4 before 2.0.0-RC.3 Missing Authorization via openAnswerGrade
Summary
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.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-21 15:00 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6762 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
chamilo chamilo-lms Affected: 2.0.0-alpha.4 , < 2.0.0-RC.3 (custom)
    cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-03-04 22:42
Credits
lighthousekeeper1212 leediay153 from Viettel Post
Show details on NVD website
To clipboard 

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