CVE-2026-45140 chamilo CVE debrief

Who should care

Defenders responsible for Chamilo LMS instances should assess exposure and apply the patch. IT teams and security professionals managing learning management systems should verify if their instances are affected and take necessary actions.

Why it matters

CVE-2026-45140 is a critical vulnerability in Chamilo LMS that allows unauthenticated remote code execution. Defenders should prioritize verifying exposure and applying the patch due to the high severity and potential impact on the system.

• Potential for unauthenticated remote code execution on the server.
• Need to verify exposure and apply the patch to prevent exploitation.
• Possible impact on the confidentiality, integrity, and availability of the system.

Technical summary

CVE-2026-45140 is a critical vulnerability in Chamilo LMS, allowing unauthenticated remote attackers to execute arbitrary code on the server. The vulnerability is fixed in version 2.0.1. The CVSS score is 9.8, indicating a high severity. This vulnerability has significant implications for the security of Chamilo LMS instances, and defenders should prioritize verifying exposure and applying the patch due to the critical severity and potential for code execution. The affected product is Chamilo LMS, and the vulnerability class is remote code execution. The source confidence is high, but specific details about the affected endpoint, component, input, or exploitation mechanism are not provided.

Defensive priority

Defenders should prioritize verifying exposure and applying the patch due to the critical severity and potential for code execution.

Recommended defensive actions

• Verify if the Chamilo LMS instance is exposed and apply the patch to upgrade to version 2.0.1.
• Review server logs for potential exploitation attempts.
• Implement additional security measures to detect and prevent similar attacks.
• Conduct a thorough review of the system for any signs of compromise.
• Ensure that all instances of Chamilo LMS are updated to the latest version.
• Monitor the system for any suspicious activity.
• Perform a vulnerability assessment to identify potential weaknesses.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, its severity, and the fixed version. However, specific details about the affected endpoint, component, input, or exploitation mechanism are not provided.

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.