PatchTheCVEundici vulnerabilities and fixes
Recent CVEs affecting undici, with upgrade or downgrade steps. 9 tracked.
undici has 9 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 9. Most recent: 2026-10-15. Highest priority: CVE-2026-109869 (score 38/100).
- CVE-2026-109855 HIGH 7.5 UPGRADE undici is an HTTP client library for Node.js
- CVE-2026-109383 HIGH 7.4 UPGRADE undici is an HTTP client library for Node.js
- CVE-2026-109829 HIGH 7.4 UPGRADE undici is an HTTP client library for Node.js
- CVE-2026-109841 MEDIUM 5.9 UPGRADE undici is an HTTP client library for Node.js
- CVE-2026-109869 HIGH 7.5 UPGRADE undici is an HTTP client library for Node.js
- CVE-2026-109924 MEDIUM 5.9 UPGRADE undici is an HTTP client library for Node.js
- CVE-2026-109932 MEDIUM 5.9 UPGRADE undici is an HTTP client library for Node.js
- CVE-2026-87018 HIGH 7.5 UPGRADE undici is an HTTP client library for Node.js
- CVE-2026-87029 MEDIUM 5.9 UPGRADE undici is an HTTP client library for Node.js
FAQ
How do I fix undici 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 undici being exploited right now?
None of the tracked undici CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which undici CVE should I patch first?
CVE-2026-109869 currently ranks highest (38/100): undici is an HTTP client library for Node.js.