What’s Vulnerable › Vulnerabilities

CVE-2026-32930: Chamilo LMS has an IDOR in Gradebook Allows Cross-Course Evaluation Edit Without Ownership Check

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-10 · updated 2026-10-26
• Weakness: CWE-639

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 evaluation edit page allows any authenticated teacher to view and modify the settings (name, max score, weight) of evaluations belonging to any other course by manipulating the editeval GET parameter. 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/63e1e6d3d717bd537c7c61719416da35aaa658dd
• https://github.com/chamilo/chamilo-lms/commit/f03f681df939db0429edc8414fb3ce4e4b80d79d
• https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-9h22-wrg7-82q6

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