Detections
Analytics

SCA: security update for stream-json (GHSA-mjw6-4jj6-33hc)

medium Tenable Cloud Security Plugin ID 473031

Description

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

 - stream-json is a micro-library of stream components for processing JSON and JSONC with a minimal memory
 footprint. Prior to 3.6.0, Assembler materializes object properties with plain assignment, so an input key
 named __proto__ invokes the inherited setter and causes parsed object prototype replacement instead of
 creating an own data property. Applications that make authorization or feature decisions from inherited
 values can therefore consume attacker-controlled properties, and a null prototype can disrupt code that
 expects Object.prototype methods. The researcher treats parsing untrusted JSON as part of the project
 contract, while the maintainer states that documented inputs are locally owned dumps, exports, or logs and
 characterizes the attack vector as local. The global Object.prototype is not polluted. This issue is fixed
 in version 3.6.0. (CVE-2026-104183)

Solution

Update the stream-json library and its related packages to version 3.6.0 or later.

See Also

https://github.com/advisories/GHSA-mjw6-4jj6-33hc

Plugin Details

Severity: Medium

ID: 473031

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 10/6/2026

Updated: 10/6/2026

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 8.11

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Low

Base Score: 3.6

Temporal Score: 2.7

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

CVSS Score Source: CVE-2026-104183

CVSS v3

Risk Factor: Medium

Base Score: 5.1

Temporal Score: 4.5

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/5/2026

Vulnerability Publication Date: 10/1/2026

Reference Information

CVE: CVE-2026-104183