CVE-2026-32894 HIGH

CVE-2026-32894: Chamilo LMS has an IDOR in Gradebook Allows Cross-Course Deletion of Any Student's Grade Result

Vendor Chamilo
Product chamilo-lms
Weakness CWE-476
Published April 10, 2026
Last update April 13, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, an Insecure Direct Object Reference (IDOR) vulnerability in the gradebook result view page allows any authenticated teacher to delete any student's grade result across the entire platform by manipulating the delete_mark or resultdelete GET parameters. No ownership or course-scope verification is performed. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.

Key dates

02Disclosure timeline

April 10, 2026 CVE published
April 13, 2026 Record updated