Is hono affected by CVE-2026-54289?

npm hono is affected in <4.12.25.

Is CVE-2026-54289 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

medium

CVE-2026-54289

Q: Is CVE-2026-54289 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

npm · hono

Summary

hono: Lambda@Edge adapter keeps only the last value of a repeated request header, dropping the rest

Severity: medium
EPSS: 0.2% (p7)
Also known as: GHSA-wgpf-jwqj-8h8p
Published: 2026-06-16

References

https://github.com/honojs/hono/security/advisories/GHSA-wgpf-jwqj-8h8p
https://github.com/honojs/hono

Related advisories

CVE-2026-54290 — high · npm/hono
CVE-2026-84365 — medium · npm/hono
CVE-2026-84364 — medium · npm/hono
CVE-2026-84363 — medium · npm/hono
CVE-2026-71850 — medium · npm/hono
CVE-2026-71848 — medium · npm/hono
CVE-2026-69207 — medium · npm/hono
CVE-2026-59896 — medium · npm/hono

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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.