PatchTheCVEfast-uri vulnerabilities and fixes
Recent CVEs affecting fast-uri, with upgrade or downgrade steps. 7 tracked.
Also searched as: fast uri.
fast-uri has 7 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 6. Most recent: 2026-09-03. Highest priority: CVE-2026-75931 (score 40/100).
- CVE-2026-75931 HIGH 7.5 UPGRADE fast-uri is a URI parser for Node.js
- CVE-2026-76172 HIGH 7.5 UPGRADE fast-uri is a URI parser for Node.js
- CVE-2026-75899 HIGH 7.5 UPGRADE fast-uri is a URI parser for Node.js
- CVE-2026-75975 HIGH 7.5 UPGRADE fast-uri is a URI parser for Node.js
- CVE-2026-84292 HIGH 7.5 UPGRADE fast-uri serializes the port component of a URI without validating it
- CVE-2026-84394 HIGH 7.5 DOWNGRADE fast-uri accepts a host that contains an unbalanced or misplaced authority bracket without reporting an error
- CVE-2026-18446 HIGH 7.5 UPGRADE fast-uri before 4.1.2, 3.1.5, and 2.4.4 requires a literal double forward slash to recognize a URI authority,
FAQ
How do I fix fast-uri 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 fast-uri being exploited right now?
None of the tracked fast-uri CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which fast-uri CVE should I patch first?
CVE-2026-75931 currently ranks highest (40/100): fast-uri is a URI parser for Node.js.