Node.js 20.x — End of Life
EOL Actively exploitedNode.js 20.x reached end of life on Apr 30, 2026, 160 days ago, and no longer receives security fixes. The most recent release in this series is 20.20.2. 14 CVEs are tracked for this series, including 2 critical and 1 actively exploited according to CISA KEV. The next major version is Node.js 21. See Node.js 21 →
Node.js 20.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status | Alert me |
|---|---|---|---|---|---|---|
| 20LTS | Apr 18, 2023 | Oct 22, 2024 | Apr 30, 2026 | 20.20.2 | EOL |
CVEs affecting Node.js 20.x (14)
| CVE | Severity | CVSS | EPSS | KEV | Cycle | Description | Published |
|---|---|---|---|---|---|---|---|
| CVE-2026-21717 | MEDIUM | 5.9 | 0.26% | — | 20 | A flaw in V8's string hashing mechanism causes integer-like strings to be hashed to their numeric value, making hash col… | Mar 30, 2026 |
| CVE-2026-21716 | LOW | 3.3 | 0.14% | — | 20 | An incomplete fix for CVE-2024-36137 leaves `FileHandle.chmod()` and `FileHandle.chown()` in the promises API without th… | Mar 30, 2026 |
| CVE-2026-21715 | LOW | 3.3 | 0.15% | — | 20 | A flaw in Node.js Permission Model filesystem enforcement leaves `fs.realpathSync.native()` without the required read pe… | Mar 30, 2026 |
| CVE-2026-21714 | MEDIUM | 5.3 | 0.45% | — | 20 | A memory leak occurs in Node.js HTTP/2 servers when a client sends WINDOW_UPDATE frames on stream 0 (connection-level) t… | Mar 30, 2026 |
| CVE-2026-21713 | MEDIUM | 5.9 | 0.38% | — | 20 | A flaw in Node.js HMAC verification uses a non-constant-time comparison when validating user-provided signatures, potent… | Mar 30, 2026 |
| CVE-2026-21711 | MEDIUM | 5.3 | 0.17% | — | 20 | A flaw in Node.js Permission Model network enforcement leaves Unix Domain Socket (UDS) server operations without the req… | Mar 30, 2026 |
| CVE-2026-21710 | HIGH | 7.5 | 25.04% | — | 20 | A flaw in Node.js HTTP request handling causes an uncaught `TypeError` when a request is received with a header named `_… | Mar 30, 2026 |
| CVE-2026-21637 | HIGH | 7.5 | 1.13% | — | 20 | A flaw in Node.js TLS error handling allows remote attackers to crash or exhaust resources of a TLS server when `pskCall… | Jan 20, 2026 |
| CVE-2025-59466 | HIGH | 7.5 | 0.69% | — | 20 | We have identified a bug in Node.js error handling where "Maximum call stack size exceeded" errors become uncatchable wh… | Jan 20, 2026 |
| CVE-2025-59465 | HIGH | 7.5 | 4.02% | — | 20 | A malformed `HTTP/2 HEADERS` frame with oversized, invalid `HPACK` data can cause Node.js to crash by triggering an unha… | Jan 20, 2026 |
| CVE-2025-55132 | MEDIUM | 5.3 | 0.26% | — | 20 | A flaw in Node.js's permission model allows a file's access and modification timestamps to be changed via `futimes()` ev… | Jan 20, 2026 |
| CVE-2025-55130 | CRITICAL | 9.1 | 1.72% | — | 20 | A flaw in Node.js’s Permissions model allows attackers to bypass `--allow-fs-read` and `--allow-fs-write` restrictions u… | Jan 20, 2026 |
| CVE-2024-3566 | CRITICAL | 9.8 | 6.88% | — | 20 | A command inject vulnerability allows an attacker to perform command injection on Windows applications that indirectly d… | Apr 10, 2024 |
| CVE-2023-44487 | HIGH | 7.5 | 99.99% | KEV | 20 | The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many… | Oct 10, 2023 |
Node.js 20.x is EOL — migrate to Node.js 21.x
Node.js 21.x is the next major release. Plan your upgrade before Node.js 20.x stops receiving security patches.
Add a Node.js 20 EOL badge to your README
Show your users which Node.js version your project runs and whether it is still supported. The badge updates automatically. More formats and options →
[](https://eolcanary.com/explore/nodejs/20)Frequently asked questions
Is Node.js 20 end of life?
Yes. All Node.js 20.x releases have reached end of life and no longer receive security patches. There are 14 known CVEs affecting Node.js 20.x, including 2 critical. Migrate to Node.js 21.x as soon as possible.
What CVEs affect Node.js 20?
There are 14 CVEs tracked for Node.js 20.x, including 2 critical severity issues and 1 listed in the CISA Known Exploited Vulnerabilities catalog. See the full list above with CVSS and EPSS scores.
What is the latest Node.js 20 version?
The latest Node.js 20.x patch release is 20.20.2, released on March 24, 2026. Always run the latest patch to benefit from all security fixes.
How to migrate from Node.js 20 to Node.js 21?
To migrate from Node.js 20 to Node.js 21: (1) review the official Node.js 21 migration guide for breaking changes, (2) update dependencies and configuration accordingly, (3) test thoroughly in a staging environment, (4) deploy with a rollback plan. Starting early gives you time to resolve compatibility issues before your current version reaches end of life.
Is it safe to run Node.js 20 in production?
No. Node.js 20 has reached end of life and security vulnerabilities are no longer patched. Critically, 1 CVE affecting Node.js 20.x is in the CISA KEV catalog — meaning it is actively exploited in the wild. Upgrade to a supported version immediately.
Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA