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TI-2024-16275 Aliases CVE-2024-24758GHSA-3787-6prv-h9w3

Proxy-Authorization header not cleared on cross-origin redirect in fetch in Undici

Priority LOW 22CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-200.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00765 55th percentileScored 2026-11-07
Fix Fixed undici (nodejs): 5.28.3, 6.6.1undici (npm): 5.28.3, 6.6.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
NodeJSundicibefore 5.28.3; 6.0.0 to before 6.6.15.28.3, 6.6.1Patch availableCNA
—undici (npm)before 5.28.35.28.3Patch availableGHSA-3787-6prv-h9w3
—undici (npm)6.0.0 to before 6.6.16.6.1Patch availableGHSA-3787-6prv-h9w3
  • undici VendorNodeJS Affected before 5.28.3; 6.0.0 to before 6.6.1 Fixed in 5.28.3, 6.6.1 Patch available CNA
  • undici (npm) Vendor— Affected before 5.28.3 Fixed in 5.28.3 Patch available GHSA-3787-6prv-h9w3
  • undici (npm) Vendor— Affected 6.0.0 to before 6.6.1 Fixed in 6.6.1 Patch available GHSA-3787-6prv-h9w3

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nodejs:undici:*:*:*:*:*:node.js:*:*before 5.28.3; 6.0.0 to before 6.6.1VulnerableNodeJS
  • cpe:2.3:a:nodejs:undici:*:*:*:*:*:node.js:*:* Versions before 5.28.3; 6.0.0 to before 6.6.1 Vulnerable ·NodeJS

Remediation

  • Fix · CNA undici (nodejs) Fixed in 5.28.3, 6.6.1
  • Fix · GHSA-3787-6prv-h9w3 undici (npm) Fixed in 5.28.3 Advisory →
  • Fix · GHSA-3787-6prv-h9w3 undici (npm) Fixed in 6.6.1 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

Not affected: 5 products
  • Red Hat Developer Hub 1
  • Red Hat Enterprise Linux 10
  • Red Hat OpenShift Dev Spaces
  • Red Hat Openshift Data Foundation 4
  • Red Hat build of Apache Camel - HawtIO 4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-24758
  2. 2026-10-03 Alias added: GHSA-3787-6prv-h9w3
  3. 2026-10-27 Affected versions changed · Red Hat

References

Patch 1

Advisory 4

Other 5

  • TI-2026-01215 undici is vulnerable to Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') CVSS 3.1CRITICAL 9.8
  • TI-2022-16376 `undici.request` vulnerable to SSRF using absolute URL on `pathname` CVSS 3.1CRITICAL 9.8
  • TI-2023-09734 CRLF Injection in Nodejs ‘undici’ via host CVSS 3.1MEDIUM 6.5
  • TI-2022-13193 CRLF injection in request headers CVSS 3.1MEDIUM 6.5
  • TI-2022-16375 CRLF Injection in Nodejs ‘undici’ via Content-Type CVSS 3.1MEDIUM 5.3
  • TI-2022-13194 Uncleared cookies on cross-host/cross-origin redirect in undici CVSS 3.1MEDIUM 6.5
See all 51 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences