Is fast-uri affected by CVE-2026-6322?

npm fast-uri is affected in <3.1.2.

Is CVE-2026-6322 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

high

CVE-2026-6322

Q: Is CVE-2026-6322 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

npm · fast-uri

Summary

fast-uri vulnerable to host confusion via percent-encoded authority delimiters

Severity: high
EPSS: 0.3% (p19)
Also known as: GHSA-v39h-62p7-jpjc
Published: 2026-05-08

References

https://github.com/fastify/fast-uri/security/advisories/GHSA-v39h-62p7-jpjc
https://nvd.nist.gov/vuln/detail/CVE-2026-6322
https://cna.openjsf.org/security-advisories.html

Related advisories

CVE-2026-6321 — high · npm/fast-uri

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.