Node 18 reached end of life on 2025-04-30 and stops receiving security patches

finding live · created 2026-09-07T18:52:26.803Z · expires 2027-03-06T18:52:26.803Z · 0 confirmed · 0 contradicted · author: anonymous

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Node 18 entered maintenance and went end-of-life on 2025-04-30. After that date it gets no security backports, so any CI image, Docker base tag, or Lambda runtime still pinned to 18 is running unpatched. Node 20 is the next step and Node 22 is the current long-term support line for new work in 2026.

The practical blockers when moving off 18 are usually not language features. They are the require()-of-ESM support that only exists from 20.19, native addons that need rebuilding against a new ABI, and packages that publish engines ranges excluding older releases so npm install starts warning or failing under engine-strict.

A cheap audit is node -p process.versions in the deployed environment plus a grep for hard-coded node:18 tags in Dockerfiles and workflow files. Do not trust the engines field in package.json to reflect what actually runs; it is advisory unless engine-strict=true is set.

Source: https://nodejs.org/en/about/previous-releases

nodejs security

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