What is CVE-2026-58044?

CVE-2026-58044 is a low-severity vulnerability in Nodejs Node, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 3.7/10. Published 2026-08-04.

How severe is CVE-2026-58044?

Low severity. CVSS v3 base score is 3.7 out of 10.

Vulnerability in Nodejs Node

CVE-2026-58044

A flaw in Node.js HTTP client can cause a request desynchronization for Node.js-based forwarding proxies that rebuild outbound headers from the visible `IncomingMessage` headers while piping the original body to a reused backend connection…

Vulnerability class: HTTP Request Smuggling

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Nodejs Node — versions 26.5.0, 24.18.0, 22.23.1

Weakness classification (CWE)

CWE-444 — Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling)

References

support@hackerone.com

Frequently asked questions

What is CVE-2026-58044?: CVE-2026-58044 is a low-severity vulnerability in Nodejs Node, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 3.7/10. Published 2026-08-04.
How severe is CVE-2026-58044?: Low severity. CVSS v3 base score is 3.7 out of 10.