Is @hono/node-server affected by CVE-2026-39406?

npm @hono/node-server is affected in <1.19.13.

Is CVE-2026-39406 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

medium

CVE-2026-39406

Q: Is CVE-2026-39406 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

npm · @hono/node-server

Summary

@hono/node-server: Middleware bypass via repeated slashes in serveStatic

Severity: medium
EPSS: 0.4% (p29)
Also known as: GHSA-92pp-h63x-v22m
Published: 2026-04-08

References

https://github.com/honojs/node-server/security/advisories/GHSA-92pp-h63x-v22m
https://nvd.nist.gov/vuln/detail/CVE-2026-39406
https://github.com/honojs/node-server/commit/025c30f55d589ddbe6048b151d77e904f67a8cc2

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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.