{"action":"Upgrade moodle/moodle to 4.1.18 or later.","affected":[{"fixed":"4.1.18","introduced":"0"},{"fixed":"4.3.12","introduced":"4.3.0-beta"},{"fixed":"4.4.8","introduced":"4.4.0-beta"},{"fixed":"4.5.4","introduced":"4.5.0-beta"}],"component":"moodle/moodle","cve_ids":["CVE-2025-3640"],"ecosystem":"Packagist","epss":0.0039,"exploited":false,"fixed_versions":["4.1.18","4.3.12","4.4.8","4.5.4"],"ghsa_id":"GHSA-6g5x-h5x7-q4mq","id":"tcs_01M5KEX15S8KRARV37ACZSCEPT","modified_at":"2026-01-26T17:41:09.322285Z","published_at":"2025-04-25T15:31:23Z","references":["https://osv.dev/vulnerability/GHSA-6g5x-h5x7-q4mq","https://nvd.nist.gov/vuln/detail/CVE-2025-3640","https://github.com/moodle/moodle/commit/64a4311266cbe9a9a942c836931bef224018b77d","https://access.redhat.com/security/cve/CVE-2025-3640","https://bugzilla.redhat.com/show_bug.cgi?id=2359734","https://github.com/moodle/moodle","https://moodle.org/mod/forum/discuss.php?d=467601"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GHSA-6g5x-h5x7-q4mq","url":"https://osv.dev/vulnerability/GHSA-6g5x-h5x7-q4mq"}],"summary":"Moodle has an IDOR in web service which allows users enrolled in a course to access some details of other users"}