Home / mailings [SECURITY] [DSA 6259-1] pyjwt security update
Posted on 09 May 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6259-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
May 09, 2026 https://www.debian.org/security/faq
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Package : pyjwt
CVE ID : CVE-2026-32597
It was discovered that PyJWT, a Python implementation of JSON web tokens
insufficiently validated the "crit" header parameter, which could result
in incomplete enforcement of authentication settings.
For the oldstable distribution (bookworm), this problem has been fixed
in version 2.6.0-1+deb12u1.
For the stable distribution (trixie), this problem has been fixed in
version 2.10.1-2+deb13u1.
We recommend that you upgrade your pyjwt packages.
For the detailed security status of pyjwt please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/pyjwt
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org
