GHSA-76c9-3jph-rj3qLowCVSS 3.4

on-headers is vulnerable to http response header manipulation

Published
July 17, 2025
Last Modified
July 30, 2025

🔗 CVE IDs covered (1)

📋 Description

Impact

A bug in on-headers versions < 1.1.0 may result in response headers being inadvertently modified when an array is passed to response.writeHead()

Patches

Users should upgrade to 1.1.0

Workarounds

Uses are encouraged to upgrade to 1.1.0, but this issue can be worked around by passing an object to response.writeHead() rather than an array.

🎯 Affected products1

  • npm/on-headers:< 1.1.0

🔗 References (7)