{"id":"GHSA-g4c3-4g96-6g4m","summary":"Chamilo LMS CStudio upload flow allows unauthenticated remote code execution","details":"### Impact\nAbility to run arbitrary code on the server without authentication.","aliases":["CVE-2026-45140"],"modified":"2026-09-17T20:45:05.328230281Z","published":"2026-09-17T20:23:39Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2026-09-17T20:23:39Z","nvd_published_at":null,"cwe_ids":["CWE-219","CWE-22","CWE-434","CWE-94"],"severity":"CRITICAL"},"references":[{"type":"WEB","url":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-g4c3-4g96-6g4m"},{"type":"WEB","url":"https://github.com/chamilo/chamilo-lms/commit/4bdba1b9a8820bd70c0809317775d7f6eaa79844"},{"type":"PACKAGE","url":"https://github.com/chamilo/chamilo-lms"},{"type":"WEB","url":"https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.1"}],"affected":[{"package":{"name":"chamilo/chamilo-lms","ecosystem":"Packagist","purl":"pkg:composer/chamilo/chamilo-lms"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.1"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 2.0.0","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-g4c3-4g96-6g4m/GHSA-g4c3-4g96-6g4m.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}