What’s Vulnerable › Vulnerabilities

CVE-2026-45140: Chamilo LMS CStudio upload flow allows unauthenticated remote code execution

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-17 · updated 2026-09-24
• Weakness: CWE-22

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.

Affected products

• chamilo-lms: before 2.0.1

References

• https://github.com/chamilo/chamilo-lms/commit/4bdba1b9a8820bd70c0809317775d7f6eaa79844
• https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.1
• https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-g4c3-4g96-6g4m

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