HTTP Request Smuggling Affecting node package, versions [20.0.0,20.19.2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UPSTREAM-NODE-10169731
- published15 May 2025
- disclosed13 May 2025
- creditkenballus
Introduced: 13 May 2025
NewCVE-2025-23167 (opens in a new tab)How to fix?
Upgrade node to version 20.19.2 or higher.
Overview
node is a JavaScript runtime built on Chrome's V8 JavaScript engine.
Affected versions of this package are vulnerable to HTTP Request Smuggling in the llhttp implementation, when handing HTTP/1 headers terminated with \r\n\rX instead of the required \r\n\r\n. This allows attackers to bypass proxy-based access controls and submit unauthorized requests.