CVE-2026-32894 chamilo CVE debrief

Who should care

Chamilo LMS administrators and teachers should verify their instance's vulnerability and update to a fixed version. This vulnerability affects any authenticated teacher's ability to delete grade results, requiring verification and remediation priority. Operators, platform administrators, and security teams should review the vulnerability and implement necessary mitigations.

Why it matters

CVE-2026-32894 allows authenticated teachers to delete any student's grade result, requiring verification and remediation priority for Chamilo LMS administrators and teachers.

• Verify teacher authentication for grade result deletion
• Update Chamilo LMS to prevent unauthorized grade result deletion
• Monitor grade result deletion logs for suspicious activity

Technical summary

The vulnerability is caused by an Insecure Direct Object Reference (IDOR) in the gradebook result view page of Chamilo LMS. This allows any authenticated teacher to delete any student's grade result across the entire platform by manipulating the delete_mark or resultdelete GET parameters. The vulnerability has been fixed in Chamilo LMS versions 1.11.38 and 2.0.0-RC.3. No ownership or course-scope verification is performed, allowing for unauthorized deletion of grade results. Defenders should verify their instance's vulnerability and update to a fixed version.

Defensive priority

Authenticated teachers' ability to delete grade results requires verification and remediation priority.

Recommended defensive actions

• Verify teacher authentication and authorization for grade result deletion
• Update Chamilo LMS to version 1.11.38 or 2.0.0-RC.3
• Monitor grade result deletion logs for suspicious activity
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, while GitHub commits and security advisories offer patches and exploit details. The vulnerability has been fixed in Chamilo LMS versions 1.11.38 and 2.0.0-RC.3. There is no evidence of public exploitation, but defenders should verify their instance's vulnerability and update to a fixed version.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.