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Node.js Web Framework MIT Latest: v3.2.1

Koa

Expressive HTTP middleware framework for Node.js using async functions

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Health Metrics

Project Health at a Glance

Live data from GitHub and npm, updated daily.

⭐
35.7K+5
GitHub Stars
📦
v3.2.1
Latest Release · 1 months ago
🔄
33d
Avg. Release Cadence
🐛
38
Open Issues
📅
Yesterday
Last Commit
⬇️
8.4M
Weekly Downloads
🔒
5
Active CVEs

Data last fetched: 2026-06-29

Security

Known Vulnerabilities

5 active CVEs reported via OSV.dev

GHSA-593f-38f6-jp5m CVSS_V4

Inefficient Regular Expression Complexity in koa

Published: 2025-02-12 Fixed in: 2.15.4
GHSA-7gcc-r8m5-44qm CVSS_V3

Koa has Host Header Injection via ctx.hostname

Published: 2026-02-26 Fixed in: 3.1.2
GHSA-g8mr-fgfg-5qpc CVSS_V3

Koa Vulnerable to Open Redirect via Trailing Double-Slash (//) in back Redirect Logic

Published: 2025-10-21 Fixed in: 3.0.3
GHSA-jgmv-j7ww-jx2x CVSS_V3

Koa Open Redirect via Referrer Header (User-Controlled)

Published: 2025-07-29 Fixed in: 2.16.2
GHSA-x2rg-q646-7m2v CVSS_V3

Koajs vulnerable to Cross-Site Scripting (XSS) at ctx.redirect() function

Published: 2025-04-09 Fixed in: 2.16.1
Ecosystem

Alternatives to Koa

Other Web Framework projects in the Node.js ecosystem worth evaluating.

express → fastify → hapi →
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