{"action":"Upgrade pyjwt to 2.12.0 or later.","affected":[{"fixed":"2.12.0","introduced":"0"}],"component":"pyjwt","cve_ids":["CVE-2026-32597"],"ecosystem":"PyPI","epss":0.00279,"exploited":false,"fixed_versions":["2.12.0"],"ghsa_id":"GHSA-752w-5fwx-jx9f","id":"tcs_01M5KGR5HQVV9BD6VDYVJHT1XC","modified_at":"2026-05-20T09:19:15.426301Z","published_at":"2026-03-13T19:55:09.500Z","references":["https://osv.dev/vulnerability/PYSEC-2026-120","https://lists.debian.org/debian-lts-announce/2026/05/msg00008.html","https://github.com/jpadilla/pyjwt/security/advisories/GHSA-752w-5fwx-jx9f"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-120","url":"https://osv.dev/vulnerability/PYSEC-2026-120"}],"summary":"PyJWT is a JSON Web Token implementation in Python. Prior to 2.12.0, PyJWT does not validate the crit (Critical) Header Parameter defined in RFC 7515 §4.1.11. When a JWS token contains a crit array li"}