CVE-2026-101918: PyJWT: Unauthenticated RecursionError DoS in pre-verification payload parse (PyJWKClient.get_signing_key_from_jwt / verify_signature=False)
Overview
- Severity
- Medium (CVSS 5.3)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Sep
- Released
- 2026-10-01
- EPSS Score
- 0.29% (percentile: 19.5%)
Affected Products (1)
Other
Revision History
- 2026-10-01: Information published.