undici vulnerable to Denial of Service via TLS 1.2 certificate-changing renegotiation

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-87018 · Microsoft / collected KEV context

EUVD-2026-102318

GHSA-qrxm-fqhp-jwvm

cve-program · CVE-2026-87018

• https://github.com/nodejs/undici/security/advisories/GHSA-qrxm-fqhp-jwvm
• https://cna.openjsf.org/security-advisories.html

euvd · EUVD-2026-102318

• https://github.com/nodejs/undici/security/advisories/GHSA-qrxm-fqhp-jwvm
• https://cna.openjsf.org/security-advisories.html

nvd · CVE-2026-87018

• https://cna.openjsf.org/security-advisories.html
• https://github.com/nodejs/undici/security/advisories/GHSA-qrxm-fqhp-jwvm

osv · GHSA-qrxm-fqhp-jwvm

• https://github.com/nodejs/undici/security/advisories/GHSA-qrxm-fqhp-jwvm
• https://nvd.nist.gov/vuln/detail/CVE-2026-87018
• https://github.com/nodejs/undici/commit/12cfd96c3f430897656e3edc1c5e02be8c1cd309
• https://github.com/nodejs/undici/commit/b40fbfc0651703cf9fa9f6ced68b679f28d8bb28
• https://github.com/nodejs/undici/commit/e257e9f8fb42eedd50727b9cf65e548c8925e4a8
• https://cna.openjsf.org/security-advisories.html
• https://github.com/nodejs/undici
• https://github.com/nodejs/undici/releases/tag/v6.29.1
• https://github.com/nodejs/undici/releases/tag/v7.30.1
• https://github.com/nodejs/undici/releases/tag/v8.12.2

• undici is an HTTP client library for Node.js. In versions 4.2.1 through 6.29.0, 7.0.0 through 7.30.0, and 8.0.0 through 8.12.1, the client process crashes when a TLS 1.2 server renegotiates after the connection is established and presents a… · Advisory content revised · 30 Oct 2026
• undici vulnerable to Denial of Service via TLS 1.2 certificate-changing renegotiation · Newly collected advisory · 27 Oct 2026