Low, CVSS 3.4npmAmendedPublished
on-headers is vulnerable to http response header manipulation
CVE-2025-7339 · GHSA-76c9-3jph-rj3q
- Affected
- npm on-headers < 1.1.0
- Fixed in
- 1.1.0· Vendor fix available
- Issue
- 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.
Recommended action: Upgrade to 1.1.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.