Detections
Analytics

SCA: security update for kelvinmo/simplejwt (GHSA-xw36-67f8-339x)

high Tenable Cloud Security Plugin ID 438989

Description

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

 - SimpleJWT is a simple JSON web token library written in PHP. Prior to version 1.1.1, an unauthenticated
 attacker can perform a Denial of Service via JWE header tampering when PBES2 algorithms are used.
 Applications that call JWE::decrypt() on attacker-controlled JWEs using PBES2 algorithms are affected.
 This issue has been patched in version 1.1.1. (CVE-2026-33204)

Solution

Update the kelvinmo/simplejwt library and its related packages to version 1.1.1 or later.

See Also

https://github.com/advisories/GHSA-xw36-67f8-339x

Plugin Details

Severity: High

ID: 438989

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 3/19/2026

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:N/A:C

CVSS Score Source: CVE-2026-33204

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:N/A:H

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/18/2026

Vulnerability Publication Date: 3/18/2026

Reference Information

CVE: CVE-2026-33204

cwe: CWE-400