{"id":"PYSEC-2025-183","details":"pyjwt v2.10.1 was discovered to contain weak encryption. NOTE: this is disputed by the Supplier because the key length is chosen by the application that uses the library (admittedly, library users may benefit from a minimum value and a mechanism for opting in to strict enforcement).","aliases":["CVE-2025-45768"],"modified":"2026-05-21T15:00:28.178881228Z","published":"2025-07-31T21:15:27.320Z","references":[{"type":"WEB","url":"https://github.com/jpadilla"},{"type":"REPORT","url":"https://gist.github.com/ZupeiNie/6f65e564f2067b876321d3dfdbb76569"},{"type":"PACKAGE","url":"https://github.com/jpadilla/pyjwt"}],"affected":[{"package":{"name":"pyjwt","ecosystem":"PyPI","purl":"pkg:pypi/pyjwt"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.10.1"}]}],"versions":["0.1.1","0.1.2","0.1.3","0.1.4","0.1.5","0.1.6","0.1.7","0.1.8","0.1.9","0.2.0","0.2.1","0.2.3","0.3.0","0.3.1","0.3.2","0.4.0","0.4.1","0.4.2","0.4.3","1.0.0","1.0.1","1.1.0","1.3.0","1.4.0","1.4.1","1.4.2","1.5.0","1.5.1","1.5.2","1.5.3","1.6.0","1.6.1","1.6.3","1.6.4","1.7.0","1.7.1","2.0.0","2.0.0a1","2.0.0a2","2.0.1","2.1.0","2.10.0","2.10.1","2.2.0","2.3.0","2.4.0","2.5.0","2.6.0","2.7.0","2.8.0","2.9.0"],"ecosystem_specific":{},"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/pyjwt/PYSEC-2025-183.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H"}]}