{"id":"CVE-2026-114390","summary":"Chamilo LMS 2.0.0-alpha.1 before 2.0.0-RC.3 Missing Authorization in AJAX Handlers","details":"Chamilo LMS from 2.0.0-alpha.1 before 2.0.0-RC.3 contains a missing authorization vulnerability in legacy AJAX handlers under public/main/inc/ajax/ that exposes user names and certificates. Unauthenticated or low-privileged users can call actions like get_users_by_group_course, user_by_all_roles, and export_all_certificates to harvest user names and other learners' certificate PDFs.","modified":"2026-10-22T02:47:55.533259106Z","published":"2026-10-21T12:39:46.695Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/114xxx/CVE-2026-114390.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-862"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/114xxx/CVE-2026-114390.json"},{"type":"PACKAGE","url":"https://github.com/chamilo/chamilo-lms"},{"type":"ARTICLE","url":"https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/public/main/inc/ajax/course.ajax.php#L350-L426"},{"type":"ARTICLE","url":"https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/public/main/inc/ajax/gradebook.ajax.php#L58-L99"},{"type":"ARTICLE","url":"https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/public/main/inc/ajax/usergroup.ajax.php#L17-L50"},{"type":"FIX","url":"https://github.com/chamilo/chamilo-lms/commit/2861afd4896ff898a950302f2c00f44726fa6f0a"},{"type":"REPORT","url":"https://github.com/chamilo/chamilo-lms/issues/7671"},{"type":"ADVISORY","url":"https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.0-RC.3"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114390"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/chamilo-lms-2.0.0-alpha.1-before-2.0.0-rc.3-missing-authorization-in-ajax-handlers"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/chamilo/chamilo-lms","events":[{"introduced":"7dacdc0bbed7f5d2c6d000c2c062bd4eaa48332b"},{"fixed":"612fdb12acbbff9f956a412d0af76e488d3419d6"},{"fixed":"2861afd4896ff898a950302f2c00f44726fa6f0a"}],"database_specific":{"extracted_events":[{"strategy":"StandardRange","range":[{"introduced":"2.0.0-alpha.1"},{"fixed":"2.0.0-RC.3"}],"source":"AFFECTED_FIELD"},{"range":[{"fixed":"2861afd4896ff898a950302f2c00f44726fa6f0a"}],"source":"REFERENCES_COMMIT"}]}}],"versions":["v2.0.0-RC.2","v2.0.0-RC.1","v2.0.0-beta.3","v2.0.0-beta.1","v2.0.0-alpha.5","v2.0.0-alpha.4","v2.0.0-alpha.3","v2.0.0-alpha.2","v2.0.0-alpha.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-114390.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}]}