@hono/node-server has Denial of Service risk when receiving Host header that cannot be parsed

Description

The application hangs when receiving a Host header with a value that @hono/node-server can’t handle well. Invalid values are those that cannot be parsed by the URL as a hostname such as an empty string, slashes /, and other strings.

Recommendation

Update the @hono/node-server package to the latest compatible version. Followings are version details:

• Affected version(s): >= 1.3.0, < 1.10.1
• Patched version(s): 1.10.1

References

• GHSA-hgxw-5xg3-69jx
• CVE-2024-32652
• CWE-755
• CAPEC-310
• OWASP 2021-A6

Related Issues

• @hono/node-server cannot handle "double dots" in URL - CVE-2024-23340
• @hono/node-server has authorization bypass for protected static paths via encoded slashes in Serve Static Middleware - CVE-2026-29087
• Signal K Server has an Unauthenticated Regular Expression Denial of Service (ReDoS) via WebSocket Subscription Paths - CVE-2026-39320
• SvelteKit is vulnerable to denial of service and possible SSRF when using prerendering - @sveltejs/adapter-node - CVE-2025-67647

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Tags:

npm

@hono/node-server