{"action":"Upgrade pyjwt to 2.13.0 or later.","affected":[{"fixed":"2.13.0","introduced":"2.9.0"}],"component":"pyjwt","cve_ids":["CVE-2026-48523"],"ecosystem":"PyPI","epss":0.0017,"exploited":false,"fixed_versions":["2.13.0"],"ghsa_id":"GHSA-jq35-7prp-9v3f","id":"tcs_01M5KFPBMDXFWVARRTTCB9F4D7","modified_at":"2026-09-10T03:51:08.776007275Z","published_at":"2026-06-15T19:27:48Z","references":["https://osv.dev/vulnerability/GHSA-jq35-7prp-9v3f","https://github.com/jpadilla/pyjwt/security/advisories/GHSA-jq35-7prp-9v3f","https://nvd.nist.gov/vuln/detail/CVE-2026-48523","https://github.com/jpadilla/pyjwt","https://github.com/pypa/advisory-database/tree/main/vulns/pyjwt/PYSEC-2026-176.yaml"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-jq35-7prp-9v3f","url":"https://osv.dev/vulnerability/GHSA-jq35-7prp-9v3f"}],"summary":"PyJWT: Algorithm allow-list bypass when decoding with `PyJWK` / `PyJWKClient` keys"}