Node.js 26.3.1 (Current)

Source: Node.js Blog

Antoine du Hamel

2026-06-18, Version 26.3.1 (Current), @aduh95

This is a security release.

Notable Changes

• (CVE-2026-48618) tls: normalize hostname for server identity checks (Matteo Collina) – High

• (CVE-2026-48933) crypto: guard WebCrypto cipher output length (Filip Skokan) – High

• (CVE-2026-48615) lib,test: redact proxy credentials in tunnel errors (Matteo Collina) – Medium

• (CVE-2026-48619) http2: cap originSet size to prevent unbounded memory growth (Matteo Collina) – Medium

• (CVE-2026-48928) tls: fix case-sensitive SNI context matching (Matteo Collina) – Medium

• (CVE-2026-48930) dns,net: reject hostnames with embedded NUL bytes (Matteo Collina) – Medium

• (CVE-2026-48934) tls: bind reusable sessions to authenticated host (Matteo Collina) – Medium

• (CVE-2026-48617) permission: handle process.chdir on writereport (RafaelGSS) – Low

• (CVE-2026-48931) http: fix response queue poisoning in http.Agent (Matteo Collina) – Low

• (CVE-2026-48935) permission: disable FileHandle utimes with permission model (RafaelGSS) – Low

• (CVE-2026-48936) permission: guard pipe open and chmod with net scope (RafaelGSS) – Low

Commits

• [98fbc89211] - (CVE-2026-48933) crypto: guard WebCrypto cipher output length (Filip Skokan) nodejs-private/node-private#878

• [110840f2c7] - deps: update llhttp to 9.4.2 (Antoine du Hamel) nodejs-private/node-private#890

• [8d36d522b2] - deps: update undici to 8.5.0 (Node.js GitHub Bot) #63903

• [2e6d03993a] - deps: update undici to 8.4.0 (Node.js GitHub Bot) #63779

• [5a17d5b07a] - deps: update archs files for openssl-3.5.7 (Node.js GitHub Bot) #63820

• [362725d4e5] - deps: upgrade openssl sources to openssl-3.5.7 (Node.js GitHub Bot) #63820

• [bd1214ab01] - (CVE-2026-48930) dns,net: reject hostnames with embedded NUL bytes (Matteo Collina) nodejs-private/node-private#868

• [bc0b53813e] - (CVE-2026-48931) http: fix response queue poisoning in http.Agent (Matteo Collina) nodejs-private/node-private#846

• [87d847bc70] - (CVE-2026-48619) http2: cap originSet size to prevent unbounded memory growth (Matteo Collina) nodejs-private/node-private#855

• [9308084fcb] - (CVE-2026-48615) lib,test: redact proxy credentials in tunnel errors (Matteo Collina) nodejs-private/node-private#867

• [a67dd46891] - (CVE-2026-48936) permission: guard pipe open and chmod with net scope (RafaelGSS) nodejs-private/node-private#885

• [7057c3f16c] - (CVE-2026-48935) permission: disable FileHandle utimes with permission model (RafaelGSS) nodejs-private/node-private#873

• [6bc17a6b51] - (CVE-2026-48617) permission: handle process.chdir on writereport (RafaelGSS) nodejs-private/node-private#870

• [c8668beff8] - test: add session reuse host verification regressions (Matteo Collina) nodejs-private/node-private#854

• [d1be630415] - (CVE-2026-48934) tls: bind reusable sessions to authenticated host (Matteo Collina) nodejs-private/node-private#854

• [a14c158bb3] - (CVE-2026-48928) tls: fix case-sensitive SNI context matching (Matteo Collina) nodejs-private/node-private#857

• [ebda73470d] - (CVE-2026-48618) tls: normalize hostname for server identity checks (Matteo Collina) nodejs-private/node-private#869

Windows 64-bit Installer: https://nodejs.org/dist/v26.3.1/node-v26.3.1-x64.msi

Windows ARM 64-bit Installer: https://nodejs.org/dist/v26.3.1/node-v26.3.1-arm64.msi

Windows 64-bit Binary: https://nodejs.org/dist/v26.3.1/win-x64/node.exe

Windows ARM 64-bit Binary: https://nodejs.org/dist/v26.3.1/win-arm64/node.exe

macOS 64-bit Installer: https://nodejs.org/dist/v26.3.1/node-v26.3.1.pkg

macOS Apple Silicon 64-bit Binary: https://nodejs.org/dist/v26.3.1/node-v26.3.1-darwin-arm64.tar.gz

macOS Intel 64-bit Binary: https://nodejs.org/dist/v26.3.1/node-v26.3.1-darwin-x64.tar.gz

Linux 64-bit Binary: https://nodejs.org/dist/v26.3.1/node-v26.3.1-linux-x64.tar.xz

Linux PPC LE 64-bit Binary: https://nodejs.org/dist/v26.3.1/node-v26.3.1-linux-ppc64le.tar.xz

Linux s390x 64-bit Binary: https://nodejs.org/dist/v26.3.1/node-v26.3.1-linux-s390x.tar.xz

AIX 64-bit Binary: https://nodejs.org/dist/v26.3.1/node-v26.3.1-aix-ppc64.tar.gz

ARMv8 64-bit Binary: https://nodejs.org/dist/v26.3.1/node-v26.3.1-linux-arm64.tar.xz

Source Code: https://nodejs.org/dist/v26.3.1/node-v26.3.1.tar.gz

Other release files: https://nodejs.org/dist/v26.3.1/

Documentation: https://nodejs.org/docs/v26.3.1/api/

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