{"action":"Upgrade pyjwt to 2.13.0 or later.","affected":[{"fixed":"2.13.0","introduced":"2.8.0"}],"component":"pyjwt","cve_ids":["CVE-2026-48525"],"ecosystem":"PyPI","epss":0.0037,"exploited":false,"fixed_versions":["2.13.0"],"ghsa_id":"GHSA-w7vc-732c-9m39","id":"tcs_01M5KGVM77Z30XJFBVYEQXR1D2","modified_at":"2026-06-02T12:15:10.739334903Z","published_at":"2026-05-28T16:16:29.533Z","references":["https://osv.dev/vulnerability/PYSEC-2026-178","https://github.com/jpadilla/pyjwt/security/advisories/GHSA-w7vc-732c-9m39"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"PYSEC-2026-178","url":"https://osv.dev/vulnerability/PYSEC-2026-178"}],"summary":"PyJWT is a JSON Web Token implementation in Python. From 2.8.0 to 2.12.1, when verifying detached JWS tokens using the unencoded-payload option (\"b64\": false, RFC 7797), PyJWT performs Base64URL decod"}