Vulnerability details
CVE-2026-45140
chamilo chamilo-lms
Chamilo LMS CStudio upload flow allows unauthenticated remote code execution
CVSS 3.1
9.8Critical
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.8Critical | 3.1 | CVEProject cvelistV5 (CNA) (GitHub_M) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| chamilo | chamilo-lms | < 2.0.1 | CVEProject cvelistV5 (CNA) |
References and advisories
3- https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-g4c3-4g96-6g4m x_refsource_CONFIRM
- https://github.com/chamilo/chamilo-lms/commit/4bdba1b9a8820bd70c0809317775d7f6eaa79844 x_refsource_MISC
- https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.1 x_refsource_MISC
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Details
- Published
- 2026-09-17
- Last updated
- 2026-09-18
- State
- Published
- Assigner (CNA)
- GitHub_M
Exploit prediction (EPSS)
1.32%
Probability of exploitation in 30 days
71.1%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
- CWE-94Improper Control of Generation of Code ('Code Injection')
- CWE-219Storage of File with Sensitive Data Under Web Root
- CWE-434Unrestricted Upload of File with Dangerous Type