CVE-2024-30260

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

MEDIUM
4.3
CVSS Score
Published: April 4, 2024 at 03:15 PM UTC
Updated: June 17, 2026 at 07:26 AM UTC
2 products affected across 2 vendorsFedoraUndici

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 5.28.4v < 6.11.16.0.0 ≤ v < 6.11.1
Affected range stops below 5.28.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.11.1, so it looks safe — our inference, not a vendor statement

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-285CWE-863

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