{"action":"Upgrade pyjwt to 2.15.0 or later.","affected":[{"fixed":"2.15.0","introduced":"2.0.0a1"}],"component":"pyjwt","cve_ids":["CVE-2026-101918"],"ecosystem":"PyPI","epss":0.00413,"exploited":false,"fixed_versions":["2.15.0"],"ghsa_id":"GHSA-42vr-xj54-vc7v","id":"tcs_01M5KHA5QK4XES8WHNG6FNB979","modified_at":"2026-10-01T17:45:16.836914789Z","published_at":"2026-10-01T16:38:41.274770Z","references":["https://osv.dev/vulnerability/PYSEC-2026-4141","https://github.com/jpadilla/pyjwt/security/advisories/GHSA-42vr-xj54-vc7v","https://nvd.nist.gov/vuln/detail/CVE-2026-101918","https://github.com/jpadilla/pyjwt/commit/5fde08a6cf906aa7698de2d6391d88b73006b17b","https://github.com/jpadilla/pyjwt","https://github.com/jpadilla/pyjwt/releases/tag/2.15.0","https://pypi.org/project/pyjwt","https://github.com/advisories/GHSA-42vr-xj54-vc7v"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"PYSEC-2026-4141","url":"https://osv.dev/vulnerability/PYSEC-2026-4141"}],"summary":"PyJWT: Unauthenticated RecursionError DoS in pre-verification payload parse (PyJWKClient.get_signing_key_from_jwt / verify_signature=False)"}