Allocation of Resources Without Limits or Throttling Affecting undici package, versions <6.23.0>=7.0.0-alpha.2 <7.18.2
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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- published15 Jan 2026
- disclosed14 Jan 2026
- creditIllia Volochii
Introduced: 14 Jan 2026
CVE-2026-22036 (opens in a new tab)How to fix?
Upgrade undici to version 6.23.0, 7.18.2 or higher.
Overview
undici is an An HTTP/1.1 client, written from scratch for Node.js
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the decompression chain. An attacker can cause high CPU usage and excessive memory allocation by sending HTTP responses with a large number of chained compression steps in the Content-Encoding header.