{"action":"Upgrade web-token/jwt-library to 3.4.10 or later.","affected":[{"fixed":"3.4.10","introduced":"0"},{"fixed":"4.0.7","introduced":"4.0.0"},{"fixed":"4.1.7","introduced":"4.1.0"}],"component":"web-token/jwt-library","cve_ids":[],"ecosystem":"Packagist","exploited":false,"fixed_versions":["3.4.10","4.0.7","4.1.7"],"ghsa_id":"GHSA-5739-39v2-5754","id":"tcs_01M5KEVPSEGQWGDQGE9D5GJBB7","modified_at":"2026-08-31T15:00:08.858887291Z","published_at":"2026-06-18T21:09:56Z","references":["https://osv.dev/vulnerability/GHSA-5739-39v2-5754","https://github.com/web-token/jwt-framework/security/advisories/GHSA-5739-39v2-5754","https://github.com/FriendsOfPHP/security-advisories/blob/master/web-token/jwt-library/GHSA-5739-39v2-5754.yaml","https://github.com/web-token/jwt-framework"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-5739-39v2-5754","url":"https://osv.dev/vulnerability/GHSA-5739-39v2-5754"}],"summary":"PHP JWT Library: RSA1_5 (RSAES-PKCS1-v1_5) decryption lacks implicit rejection, exposing a Bleichenbacher/Marvin padding oracle"}