Detections
Analytics

SCA: security update for Pygments (GHSA-5239-wwwm-4pmq)

medium Tenable Self-Hosted Container Security Plugin ID 439448

Description

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

 - A security flaw has been discovered in pygments up to 2.19.2. The impacted element is the function
 AdlLexer of the file pygments/lexers/archetype.py. The manipulation results in inefficient regular
 expression complexity. The attack is only possible with local access. The exploit has been released to the
 public and may be used for attacks. The project was informed of the problem early through an issue report
 but has not responded yet. (CVE-2026-4539)

Solution

Update the Pygments library and its related packages to version 2.20.0 or later.

See Also

https://github.com/advisories/GHSA-5239-wwwm-4pmq

Plugin Details

Severity: Medium

ID: 439448

Version: Revision 1.13

Type: Local

Family: SCA Checks

Published: 3/30/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Low

CVSS v2

Risk Factor: Low

Base Score: 1.7

Temporal Score: 1.3

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

CVSS Score Source: CVE-2026-4539

CVSS v3

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.9

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

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

CVSS v4

Risk Factor: Medium

Base Score: 4.8

Threat Score: 1.1

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 3/22/2026

Vulnerability Publication Date: 3/22/2026

Reference Information

CVE: CVE-2026-4539