koajs vulnerabilities
Recent CVEs affecting koajs products. 5 tracked.
koajs has 5 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 5. Most recent: 2026-02-26. Highest priority: CVE-2025-25200 (score 46/100).
- CVE-2025-62595 MEDIUM 4.3 UPGRADE Koa is expressive middleware for Node.js using ES2017 async functions
- CVE-2026-27959 HIGH 7.5 UPGRADE Koa is middleware for Node.js using ES2017 async functions
- CVE-2025-8129 LOW 3.5 UPGRADE A vulnerability, which was classified as problematic, was found in KoaJS Koa up to 3.0.0
- CVE-2025-32379 MEDIUM 5.0 UPGRADE Koa is expressive middleware for Node.js using ES2017 async functions
- CVE-2025-25200 HIGH 7.5 UPGRADE Koa is expressive middleware for Node.js using ES2017 async functions
FAQ
How do I fix koajs vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is koajs being exploited right now?
None of the tracked koajs CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which koajs CVE should I patch first?
CVE-2025-25200 currently ranks highest (46/100): Koa is expressive middleware for Node.js using ES2017 async functions.