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OpenAdvisories
High RLSA-2026:93440 1 CVE

Important: python-jwt security update

Published Nov 3, 2026 · Updated Nov 3, 2026

Ecosystem: Rocky Linux

Summary

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.

Security Fix(es):

* pyjwt: PyJWT accepts unknown `crit` header extensions (RFC 7515 ?4.1.11 MUST violation) (CVE-2026-32597)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 8 python-jwt 0:1.6.1-2.el8_10.1

Vulnerabilities 1

  • High 7.5
    CVE-2026-32597

    PyJWT accepts unknown `crit` header extensions (RFC 7515 §4.1.11 MUST violation)

    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 listing extensions that PyJWT does not understand, the librar…

    jpadilla pyjwt open-webui airflow-3 Debian Ubuntu Azure Linux Wolfi PyPI

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2447194
  • advisory
    https://access.redhat.com/errata/RHSA-2026:93440