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Vulnerability DatabaseCVE-2026-22036

CVE-2026-22036: 
JavaScript vulnerability analysis and mitigation

Undici is an HTTP/1.1 client for Node.js. Prior to 7.18.0 and 6.23.0, the number of links in the decompression chain is unbounded and the default maxHeaderSize allows a malicious server to insert thousands compression steps leading to high CPU usage and excessive memory allocation. This vulnerability is fixed in 7.18.0 and 6.23.0.

Source: NVD

Related JavaScript vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-22787HIGH8.7
  • JavaScriptJavaScript
  • html2pdf.js
NoYesJan 14, 2026
CVE-2026-22820MEDIUM6.3
  • JavaScriptJavaScript
  • outray
NoYesJan 14, 2026
CVE-2026-22819MEDIUM5.9
  • JavaScriptJavaScript
  • outray
NoYesJan 14, 2026
CVE-2026-22036LOW3.7
  • JavaScriptJavaScript
  • node-undici
NoYesJan 14, 2026
GHSA-73rr-hh4g-fpgxLOWN/A
  • JavaScriptJavaScript
  • diff
NoYesJan 14, 2026

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