CVE-2026-6734 Affecting nodejs-packaging package, versions <0:2021.06-6.module+el9.8.0+90946+13dc792a


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

Social Trends
EPSS
0.35% (27th percentile)

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  • Snyk IDSNYK-ORACLE9-NODEJSPACKAGING-17951200
  • published11 Jul 2026
  • disclosed17 Jun 2026

Introduced: 17 Jun 2026

CVE-2026-6734  (opens in a new tab)

How to fix?

Upgrade Oracle:9 nodejs-packaging to version 0:2021.06-6.module+el9.8.0+90946+13dc792a or higher.
This issue was patched in ELSA-2026-35891.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nodejs-packaging package and not the nodejs-packaging package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

Impact: When using Socks5ProxyAgent, undici reuses a single connection pool across different origins without verifying that the pool's origin matches the requested origin. All requests are dispatched through the pool connected to the first origin, regardless of the intended destination.

This causes cross-origin request routing: credentials and request data intended for origin B are sent to origin A, responses from the wrong origin are trusted, and HTTPS requests may be silently downgraded to HTTP.

Impacted users are applications that use Socks5ProxyAgent (directly or via setGlobalDispatcher) and make requests to more than one origin.

This was introduced in undici 7.23.0 via PR #4385 and affects all versions through 8.1.0.

Patches: Upgrade to undici v7.26.0 or v8.2.0.

Workarounds: Use a separate Socks5ProxyAgent instance per origin, or avoid using Socks5ProxyAgent with multiple origins.

CVSS Base Scores

version 3.1