SCA: security update for immutable (GHSA-wf6x-7x77-mvgw)

high Tenable Self-Hosted Container Security Plugin ID 438373

Description

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

- Immutable.js provides many Persistent Immutable data structures. Prior to versions 3.8.3, 4.3.7, and
5.1.5, Prototype Pollution is possible in immutable via the mergeDeep(), mergeDeepWith(), merge(),
Map.toJS(), and Map.toObject() APIs. This issue has been patched in versions 3.8.3, 4.3.7, and 5.1.5.
(CVE-2026-29063)

See Also

https://github.com/advisories/GHSA-wf6x-7x77-mvgw

Plugin Details

Severity: High

ID: 438373

Version: Revision 1.8

Type: Local

Family: SCA Checks

Published: 3/5/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.03

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-29063

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 8.7

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/4/2026

Vulnerability Publication Date: 3/4/2026

Reference Information

CVE: CVE-2026-29063