undici vulnerable to response truncation via oversized chunked responses in the dump interceptor

Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-84947 · CVE overview and exploitation status

EUVD-2026-71517

GHSA-2gqq-gqf2-x968

cve-program · CVE-2026-84947

• https://github.com/nodejs/undici/security/advisories/GHSA-2gqq-gqf2-x968
• https://cna.openjsf.org/security-advisories.html

euvd · EUVD-2026-71517

• https://github.com/nodejs/undici/security/advisories/GHSA-2gqq-gqf2-x968
• https://cna.openjsf.org/security-advisories.html

nvd · CVE-2026-84947

• https://cna.openjsf.org/security-advisories.html
• https://github.com/nodejs/undici/security/advisories/GHSA-2gqq-gqf2-x968

osv · GHSA-2gqq-gqf2-x968

• https://github.com/nodejs/undici/security/advisories/GHSA-2gqq-gqf2-x968
• https://nvd.nist.gov/vuln/detail/CVE-2026-84947
• https://github.com/nodejs/undici/commit/21693f406f0142f3504192e9f9b022dcf84782ae
• https://github.com/nodejs/undici/commit/6d583124e7cf60b640097d64144ed633cc450584
• https://cna.openjsf.org/security-advisories.html
• https://github.com/nodejs/undici
• https://github.com/nodejs/undici/releases/tag/v7.29.1
• https://github.com/nodejs/undici/releases/tag/v8.10.2

• undici's dump interceptor reads and discards a response body up to a configurable maximum size. When a response declares a Content-Length that exceeds the maximum, the interceptor aborts cleanly, but when a response has no Content-Length an… · Advisory content revised · 5 Nov 2026