TI-2026-32973 Aliases CVE-2026-45140 GHSA-g4c3-4g96-6g4m

Chamilo LMS CStudio upload flow allows unauthenticated remote code execution

MEDIUM 52CWE-219Published 2026-09-17 · Updated 2026-09-18

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-434.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01326 71st percentileScored 2026-11-07

Fix Fixed chamilo-lms (chamilo): 2.0.1chamilo/chamilo-lms (Packagist): 2.0.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
chamilo	chamilo-lms	before 2.0.1	2.0.1	Patch available	CNA
—	chamilo/chamilo-lms (Packagist)	before 2.0.1	2.0.1	Patch available	GHSA-g4c3-4g96-6g4m

chamilo-lms Vendorchamilo Affected before 2.0.1 Fixed in 2.0.1 Patch available CNA
chamilo/chamilo-lms (Packagist) Vendor— Affected before 2.0.1 Fixed in 2.0.1 Patch available GHSA-g4c3-4g96-6g4m

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:chamilo:chamilo_lms::::::::	—	—	chamilo

cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:* Versions — — ·chamilo

Remediation

Fix · CNA chamilo-lms (chamilo) Fixed in 2.0.1
Fix · GHSA-g4c3-4g96-6g4m chamilo/chamilo-lms (Packagist) Fixed in 2.0.1 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-45140
2026-10-03 Alias added: GHSA-g4c3-4g96-6g4m

References

Other 4

TI-2023-17452 A command injection vulnerability in the wsConvertPpt component of Chamilo v1.11.* up to… CVSS 3.1CRITICAL 9.8
TI-2023-03150 Chamilo LMS Unauthenticated Command Injection CVSS 3.1CRITICAL 9.8
TI-2025-32070 Chamilo: Evaluation of untrusted user input leads to Remote Code Execution CVSS 3.1CRITICAL 9.8
TI-2025-32081 Deserialization of untrusted data in chamilo-lms CVSS 4.0HIGH 8.8
TI-2024-32140 Chamilo: Post-Auth Remote Code Execution CVSS 4.0HIGH 8.7
TI-2023-03907 Chamilo LMS Unauthenticated Big Upload File Remote Code Execution CVSS 3.1HIGH 8.1

See all 162 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences