Undici's Proxy-Authorization header not cleared on cross-origin redirect for dispatch, request, stream, pipeline

MITTEL 4.3CVE-2024-30260 · GHSA-m4v8-wqvr-p9f7 · Published 04/04/2024 · updated 17/06/2026

Package	Affected versions	Patched versions
undici nodejs	`≥ 6.0.0, < 6.11.1< 5.28.4`	`6.11.15.28.4`
undici npm	`≥ 6.0.0, < 6.11.1< 5.28.4`	`6.11.15.28.4`

Description

Impact

Undici cleared Authorization and Proxy-Authorization headers for fetch(), but did not clear them for undici.request().

Patches

This has been patched in https://github.com/nodejs/undici/commit/6805746680d27a5369d7fb67bc05f95a28247d75. Fixes has been released in v5.28.4 and v6.11.1.

Workarounds

use fetch() or disable maxRedirections.

References

Linzi Shang reported this.

NVD description

Undici is an HTTP/1.1 client, written from scratch for Node.js. Undici cleared Authorization and Proxy-Authorization headers for `fetch()`, but did not clear them for `undici.request()`. This vulnerability was patched in version(s) 5.28.4 and 6.11.1.

References

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