{"cve":"CVE-2026-114390","nvd":{"published":"2026-10-21T13:18:29.403","modified":"2026-10-22T17:40:46.877","status":"Deferred","description":"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.","cvss_v4":{"vector":"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","score":6.9},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3},"cwes":["CWE-862"],"references":["https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/public/main/inc/ajax/course.ajax.php#L350-L426","https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/public/main/inc/ajax/gradebook.ajax.php#L58-L99","https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/public/main/inc/ajax/usergroup.ajax.php#L17-L50","https://github.com/chamilo/chamilo-lms/commit/2861afd4896ff898a950302f2c00f44726fa6f0a","https://github.com/chamilo/chamilo-lms/issues/7671"],"products":[],"source":"nvd","synced_at":"2026-10-23T16:39:26.291718493+00:00"},"epss":{"cve":"CVE-2026-114390","score":0.00227,"percentile":0.13371,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}