Undici is an HTTP/1.1 client, written from scratch for Node.js. Undici already cleared Authorization headers on cross-origin redirects, but did not clear `Proxy-Authentication` headers. This issue has been patched in versions 5.28.3 and 6.6.1. Users are advised to upgrade. There are no known workarounds for this vulnerability.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| undici(npm) | 0 | 5.28.3 | N/A |
| undici(npm) | 6.0.0 | 6.6.1 | N/A |
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