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CVE-2026-1525 undici is vulnerable to Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

🗓️ 12 Mar 2026 19:56:55Reported by openjsType 
cvelist
 cvelist
🔗 www.cve.org👁 20 Views

Undici vulnerability allows duplicate Content-Length headers in case-variant arrays, enabling request smuggling and DoS.

Related
Affected
Refs
[
  {
    "vendor": "undici",
    "product": "undici",
    "collectionURL": "https://github.com/nodejs/undici/",
    "packageName": "undici",
    "repo": "https://github.com/nodejs/undici/",
    "versions": [
      {
        "status": "affected",
        "version": "< 6.24.0; 7.0.0 < 7.24.0"
      },
      {
        "status": "unaffected",
        "version": "6.24.0: 7.24.0"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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