CVE-2026-32894

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

State: Published
Severity: 7.1 High
Published: Apr 10, 2026
Updated: Apr 13, 2026
Reserved: Mar 16, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	7.1 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L	GitHub_M

Weaknesses

CWE-476 NULL Pointer Dereference
CWE-639 Authorization Bypass Through User-Controlled Key

Affected Products

Product	Versions
chamilo-lmschamilo	< 1.11.38Affected >= 2.0.0-alpha.1, < 2.0.0-RC.3Affected

References

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