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Node.js 26.12.1 (Current)

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In short

Node.js 26.12.1 addresses several high-severity vulnerabilities in the TLS protocol, DNS validation, and V8 engine, c-ares, and brotli libraries, ensuring enhanced security for applications running on Node.js. This update is available in multiple platforms, including Windows, macOS, and Linux, with a comprehensive installer and source code format, making it a crucial security update for Node.js users.

Key points

  • Node.js 26.12.1 is a security update for Node.js version 26.12.1, addressing several high…: Node.js 26.12.1 is a security update for Node.js version 26.12.1, addressing several high-severity vulnerabilities.
  • The release includes improvements to the TLS protocol, validation of DNS inputs, and upda…: The release includes improvements to the TLS protocol, validation of DNS inputs, and updates to the V8 engine, c-ares, and brotli libraries.
  • It is available in multiple platforms, including Windows, macOS, and Linux, with a compre…: It is available in multiple platforms, including Windows, macOS, and Linux, with a comprehensive installer and source code format.

Sources checked by our analysis pipeline: 1

Antoine du Hamel

2026-10-21, Version 26.12.1 (Current), @aduh95 prepared by @RafaelGSS

This is a security release.

Notable Changes

- (CVE-2026-106069, CVE-2026-106072) tls: reject non-canonical IP addresses (Matteo Collina) – High

- (CVE-2026-105482) dns: validate resolve inputs for null bytes (James M Snell) – High

- (CVE-2026-105483) tls: fix ip normalization regression (James M Snell) – High

- (CVE-2026-111497) deps: brotli: cherry-pick 0ed4268a4401abcb44720963 (Evgenii Kliuchnikov) – High

- (CVE-2026-105481) http: ensure agent data guard works without I/O (James M Snell) – Medium

- (CVE-2026-106074) crypto: reset random caches across snapshots (Filip Skokan) – Medium

- (CVE-2026-106070) zlib: avoid caching invalid ZIP local headers (Matteo Collina) – Low

- (CVE-2026-106073) permission: check permission model in realpathSync (RafaelGSS) – Low

- deps: V8: backport 93cd21e8254b (Joyee Cheung)

- crypto: update root certificates to NSS 3.131.1 (Antoine du Hamel)

- tls: reject chains containing blocked public keys (Ulises Gascon)

- deps: update c-ares to 1.34.9 (Node.js GitHub Bot)

- tools: retry Gatekeeper check and stapling after notarization (Ryan Aslett)

- crypto: harden X.509 conversion and formatting (Filip Skokan)

Commits

- [

818e4ca061

] - crypto: update root certificates to NSS 3.131.1 (Antoine du Hamel) #66877 - [

fd3c87ed43

] - crypto: harden X.509 conversion and formatting (Filip Skokan) nodejs-private/node-private#966 - [

acffa610db

] - crypto: reset random caches across snapshots (Filip Skokan) nodejs-private/node-private#987 - [

7895a5cd2d

] - deps: update undici to 8.12.2 (Node.js GitHub Bot) #66721 - [

12daa54d2e

] - deps: V8: backport 93cd21e8254b (Joyee Cheung) nodejs-private/node-private#999 - [

6a8b3db7e2

] - deps: update c-ares to 1.34.9 (Node.js GitHub Bot) #66868 - [

a6040b50d9

] - deps: brotli: cherry-pick 0ed4268a4401abcb44720963 (Evgenii Kliuchnikov) nodejs-private/node-private#1002 - [

6b78ea171d

] - dns: validate resolve inputs for null bytes (James M Snell) nodejs-private/node-private#984 - [

0683ee5f7d

] - http: ensure agent data guard works without I/O (James M Snell) nodejs-private/node-private#983 - [

e5cae10148

] - Revert "module: synchronously load most ES modules" (Antoine du Hamel) #66786 - [

cc244131aa

] - permission: check permission model in realpathSync (RafaelGSS) nodejs-private/node-private#973 - [

0392385841

] - src: exposeBROTLI_DECODER_ERROR_FORMAT_BLOCK_SWITCH

(Antoine du Hamel) nodejs-private/node-private#1002 - [

c273a408c9

] - src: fix the fs permission tree node on wildcard nodes (James M Snell) nodejs-private/node-private#986 - [

a2caddd20e

] - tls: reject chains containing blocked public keys (Ulises Gascon) #66871 - [

ad788ccd07

] - tls: reject non-canonical IP addresses (Matteo Collina) nodejs-private/node-private#982 - [

cd4b05469c

] - tls: fix ip normalization regression (James M Snell) nodejs-private/node-private#985 - [

5fa440e0d7

] - tools: retry Gatekeeper check and stapling after notarization (Ryan Aslett) #66855 - [

745ad77156

] - zlib: avoid caching invalid ZIP local headers (Matteo Collina) nodejs-private/node-private#981

Windows 64-bit Installer: https://nodejs.org/dist/v26.12.1/node-v26.12.1-x64.msi

Windows ARM 64-bit Installer: https://nodejs.org/dist/v26.12.1/node-v26.12.1-arm64.msi

Windows 64-bit Binary: https://nodejs.org/dist/v26.12.1/win-x64/node.exe

Windows ARM 64-bit Binary: https://nodejs.org/dist/v26.12.1/win-arm64/node.exe

macOS 64-bit Installer: https://nodejs.org/dist/v26.12.1/node-v26.12.1.pkg

macOS Apple Silicon 64-bit Binary: https://nodejs.org/dist/v26.12.1/node-v26.12.1-darwin-arm64.tar.gz

macOS Intel 64-bit Binary: https://nodejs.org/dist/v26.12.1/node-v26.12.1-darwin-x64.tar.gz

Linux 64-bit Binary: https://nodejs.org/dist/v26.12.1/node-v26.12.1-linux-x64.tar.xz

Linux PPC LE 64-bit Binary: https://nodejs.org/dist/v26.12.1/node-v26.12.1-linux-ppc64le.tar.xz

Linux s390x 64-bit Binary: https://nodejs.org/dist/v26.12.1/node-v26.12.1-linux-s390x.tar.xz

AIX 64-bit Binary: https://nodejs.org/dist/v26.12.1/node-v26.12.1-aix-ppc64.tar.gz

ARMv8 64-bit Binary: https://nodejs.org/dist/v26.12.1/node-v26.12.1-linux-arm64.tar.xz

Source Code: https://nodejs.org/dist/v26.12.1/node-v26.12.1.tar.gz

Other release files: https://nodejs.org/dist/v26.12.1/

Documentation: https://nodejs.org/docs/v26.12.1/api/

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Original source: nodejs.org

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