CVE-2025-32996 (Medium) detected in http-proxy-middleware-0.17.4.tgz

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CVE-2025-32996 - Medium Severity Vulnerability

Vulnerable Library - http-proxy-middleware-0.17.4.tgz

The one-liner node.js proxy middleware for connect, express and browser-sync

Library home page: https://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-0.17.4.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/http-proxy-middleware/package.json

Dependency Hierarchy:

• webpack-dev-server-1.16.5.tgz (Root Library)
  • ❌ http-proxy-middleware-0.17.4.tgz (Vulnerable Library)

Found in HEAD commit: 56ff85f974b05cab00c2299011cfbdf611dd773d

Found in base branch: master

Vulnerability Details

In http-proxy-middleware before 2.0.8 and 3.x before 3.0.4, writeBody can be called twice because "else if" is not used.

Publish Date: 2025-04-15

URL: CVE-2025-32996

CVSS 3 Score Details (4.0)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: None
  • User Interaction: None
  • Scope: Changed
• Impact Metrics:
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: Low

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Release Date: 2025-04-15

Fix Resolution (http-proxy-middleware): 2.0.8

Direct dependency fix Resolution (webpack-dev-server): 4.0.0

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⛑️ Automatic Remediation will be attempted for this issue.