Debian dsa-6259 : python-jwt-doc - security update

high Nessus Plugin ID 313512

Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 12 / 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6259 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6259-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff May 09, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

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: [email protected]

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the python-jwt-doc packages.

See Also

https://security-tracker.debian.org/tracker/CVE-2026-32597

https://security-tracker.debian.org/tracker/source-package/pyjwt

https://packages.debian.org/source/bookworm/pyjwt

https://packages.debian.org/source/trixie/pyjwt

Plugin Details

Severity: High

ID: 313512

File Name: debian_DSA-6259.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 5/9/2026

Updated: 5/9/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N

CVSS Score Source: CVE-2026-32597

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:python3-jwt, cpe:/o:debian:debian_linux:12.0, cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:python-jwt-doc

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/9/2026

Vulnerability Publication Date: 3/12/2026

Reference Information

CVE: CVE-2026-32597