What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-10 · updated 2026-10-26
• Weakness: CWE-476

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.

Affected products

• chamilo-lms: before 1.11.38; 2.0.0-alpha1, 2.0.0-alpha2, 2.0.0-alpha3, 2.0.0-alpha4, 2.0.0-alpha5, 2.0.0-beta1 (+4) — fixed in 1.11.38

How to fix

Upgrade to a fixed version: chamilo-lms 1.11.38. Check the vendor advisory for mitigations.

References

• https://github.com/chamilo/chamilo-lms/commit/3b03306d1a0301a81b9284e86893b27f518ab151
• https://github.com/chamilo/chamilo-lms/commit/740f5a6e192a52a3adde3c3241c86401b1d2c519
• https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-rqpg-p95v-fv98
• https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-rqpg-p95v-fv98

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