CVE-2026-45140

Chamilo LMS CStudio upload flow allows unauthenticated remote code execution

Published Sep 17, 2026 CVSS 3.1 · 9.8 Critical EPSS 1.3% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-g4c3-4g96-6g4m Chamilo LMS CStudio upload flow allows unauthenticated remote code execution
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Chamilo
Chamilo chamilo Lms
Vendors & Products Chamilo
Chamilo chamilo Lms
Type Values Removed Values Added
Description 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.
Title Chamilo LMS CStudio upload flow allows unauthenticated remote code execution
Weaknesses CWE-219
CWE-22
CWE-434
CWE-94
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Sep 18, 2026, 6:33 PM
Reserved
May 8, 2026, 8:44 PM
Status
Deferred
Published
Sep 17, 2026, 9:17 PM
Modified
Sep 24, 2026, 9:25 PM