Detections
Analytics

SCA: security update for PyJWT (GHSA-752w-5fwx-jx9f)

high Tenable Cloud Security Plugin ID 438790

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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 library accepts the token instead of rejecting it. This
 violates the MUST requirement in the RFC. This vulnerability is fixed in 2.12.0. (CVE-2026-32597)

Solution

Update the PyJWT library and its related packages to version 2.12.0 or later.

See Also

https://github.com/advisories/GHSA-752w-5fwx-jx9f

Plugin Details

Severity: High

ID: 438790

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 3/14/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

Vendor

Vendor Severity: High

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/13/2026

Vulnerability Publication Date: 3/12/2026

Reference Information

CVE: CVE-2026-32597