PyPI/pyjwt CVE-2026-32597: high 7.5, EPSS 0.27%
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
Action: Upgrade pyjwt to 2.12.0 or later.
pip install pyjwt==2.12.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.12.0 | - |
Fixed versions
| 2.12.0 |
Sources
- osv: 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
CVE-2026-32597 · published · modified · JSON