CVE-2026-45140 PUBLISHED

Chamilo LMS CStudio upload flow allows unauthenticated remote code execution

Assigner: GitHub_M
Reserved: 08.05.2026 Published: 17.09.2026 Updated: 17.09.2026

Chamilo LMS is an open-source learning management system. Prior to 2.0.1, Chamilo LMS allows an unauthenticated remote attacker to execute arbitrary code on the server. The authoritative advisory does not identify the affected endpoint, component, input, or exploitation mechanism. This issue is fixed in version 2.0.1.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	chamilo
Product	chamilo-lms
Versions	Version < 2.0.1 is affected

References

Problem Types

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE
CWE-94: Improper Control of Generation of Code ('Code Injection') CWE
CWE-219: Storage of File with Sensitive Data Under Web Root CWE
CWE-434: Unrestricted Upload of File with Dangerous Type CWE