CVE-2026-32894CWE-476CWE-639

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

High · published April 10, 2026

CVSS v3.1
7.1
EPSS
0%
Percentile
37.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.00439 · 37.1th percentile
Weaknesses
CWE-476 · NULL Pointer Dereference; CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-04-10T17:44Z
EPSS history
Timeline
  • 10 APR 17:44Z
    Chamilo LMS has an IDOR in Gradebook Allows Cross-Course Deletion of Any Student's Grade Result
    cvelistv5