🟠 High Security Finding
Scanner: Trivy
Rule: CVE-2026-6734
Severity: HIGH
File: pnpm-lock.yaml:1
Description
Package: undici
Installed Version: 7.24.8
Vulnerability CVE-2026-6734
Severity: HIGH
Fixed Version: 7.28.0, 8.2.0
Link: CVE-2026-6734
Remediation Guidance
Vulnerability CVE-2026-6734
Severity: HIGH
Package: undici
Fixed Version: 7.28.0, 8.2.0
Link: CVE-2026-6734
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.A flaw was found in undici. When using Socks5ProxyAgent, undici incorrectly reuses a single connection pool across different origins. This can lead to cross-origin request routing, where sensitive credentials and data intended for one destination are sent to another. Consequently, responses from unintended origins may be trusted, and secure HTTPS connections could be silently downgraded to unencrypted HTTP, resulting in information disclosure and data integrity issues.
References
This issue was automatically created by repo-sentinel. Assigned to Copilot for an automated fix attempt.
🟠 High Security Finding
Scanner: Trivy
Rule:
CVE-2026-6734Severity: HIGH
File:
pnpm-lock.yaml:1Description
Package: undici
Installed Version: 7.24.8
Vulnerability CVE-2026-6734
Severity: HIGH
Fixed Version: 7.28.0, 8.2.0
Link: CVE-2026-6734
Remediation Guidance
Vulnerability CVE-2026-6734
Severity: HIGH
Package: undici
Fixed Version: 7.28.0, 8.2.0
Link: CVE-2026-6734
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.A flaw was found in undici. When using Socks5ProxyAgent, undici incorrectly reuses a single connection pool across different origins. This can lead to cross-origin request routing, where sensitive credentials and data intended for one destination are sent to another. Consequently, responses from unintended origins may be trusted, and secure HTTPS connections could be silently downgraded to unencrypted HTTP, resulting in information disclosure and data integrity issues.
References
This issue was automatically created by repo-sentinel. Assigned to Copilot for an automated fix attempt.