title: Undici's Proxy-Authorization header not cleared on cross-origin redirect for dispatch, request, stream, pipeline
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.
problem types: CWE-285: Improper Authorization
affected:
{
vendor: nodejs
product: undici
versions:
version: < 5.28.4, status: affected
version: >= 6.0.0, < 6.11.1, status: affected
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 3.9
baseSeverity: LOW
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: HIGH
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L
version: 3.1
]