CVE-2026-45140CWE-219CWE-22CWE-434CWE-94path-traversalunrestricted-file-uploadcode-injection

CVE-2026-45140

Critical · published September 18, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
70.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01326 · 70.7th percentile
Weaknesses
CWE-219 · Storage of File with Sensitive Data Under Web Root; CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'); CWE-434 · Unrestricted Upload of File with Dangerous Type; CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-09-18T01:17Z
References (3)
https://github.com/chamilo/chamilo-lms/commit/4bdba1b9a8820bd70c0809317775d7f6eaa79844 · [email protected]https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.1 · [email protected]https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-g4c3-4g96-6g4m · [email protected]
EPSS history
Timeline
  • 19 SEP 03:52Z
    EPSS moved — → 1%
    epss
  • 17 SEP 20:11Z
    Chamilo LMS CStudio upload flow allows unauthenticated remote code execution
    cvelistv5