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Node.js Patched High Severity Flaws on Oct 21. Update Now Before Nov 11

On October 21, 2026, the Node.js project shipped security releases for the supported lines. The fixed builds are 26.12.1, 24.22.1 and 22.23.4. The highest severity issues in that batch are rated High. One of them is a Brotli decoder bug that can lead to remote code execution. Others let a crafted hostname bypass DNS or TLS checks. If your site or API runs on Node, this is the kind of update you do the same day. There is a second clock running too. Node.js has already pre-announced another High severity security release for 26.x, 24.x and 22.x on or shortly after ...

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