Auth bypass in Honojs Node-server

CVE-2026-29087

@hono/node-server allows running the Hono application on Node.js. Prior to version 1.19.10, when using @hono/node-server's static file serving together with route-based middleware protections (e.g. protecting /admin/*), inconsistent URL de…

Vulnerability class: Broken Access Control

EPSS: 0.000 (4.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-29087?
CVE-2026-29087 is a high-severity vulnerability in Honojs Node-server, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2026-03-06.
How severe is CVE-2026-29087?
High severity. CVSS v3 base score is 7.5 out of 10.