{"action":"Upgrade pyjwt to 2.13.0 or later.","affected":[{"fixed":"2.13.0","introduced":"0"}],"component":"pyjwt","cve_ids":["CVE-2026-48526"],"ecosystem":"PyPI","epss":0.00427,"exploited":false,"fixed_versions":["2.13.0"],"ghsa_id":"GHSA-xgmm-8j9v-c9wx","id":"tcs_01M5KG4784MAPX817EJK26CR68","modified_at":"2026-09-10T03:51:09.678127621Z","published_at":"2026-06-15T19:28:06Z","references":["https://osv.dev/vulnerability/GHSA-xgmm-8j9v-c9wx","https://github.com/jpadilla/pyjwt/security/advisories/GHSA-xgmm-8j9v-c9wx","https://nvd.nist.gov/vuln/detail/CVE-2026-48526","https://github.com/jpadilla/pyjwt","https://github.com/pypa/advisory-database/tree/main/vulns/pyjwt/PYSEC-2026-179.yaml"],"severity":{"label":"high","score":7.4},"sources":[{"source":"osv","source_id":"GHSA-xgmm-8j9v-c9wx","url":"https://osv.dev/vulnerability/GHSA-xgmm-8j9v-c9wx"}],"summary":"PyJWT: Public-key JWK accepted as HMAC secret enables forged HS256 tokens when mixed families are allowed"}