cvedb.io
CVE-2026-22036
MEDIUM · CVSS 5.9
EPSS exploitation probability: 0%
Published 2026-01-14T19:16:47.833 · Last modified 2026-06-17T10:19:24.020

Summary

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.

Affected products

nodejs — undici

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.