@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 decoding can allow protected static resources to be accessed without authorization. In particular, paths containing encoded slashes (%2F) may be evaluated differently by routing/middleware matching versus static file path resolution, enabling a bypass where middleware does not run but the static file is still served. This issue has been patched in version 1.19.10.

Project Subscriptions

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-wc8c-qw6v-h7f6 @hono/node-server has authorization bypass for protected static paths via encoded slashes in Serve Static Middleware
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 06 Mar 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 06 Mar 2026 17:30:00 +0000

Type Values Removed Values Added
Description @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 decoding can allow protected static resources to be accessed without authorization. In particular, paths containing encoded slashes (%2F) may be evaluated differently by routing/middleware matching versus static file path resolution, enabling a bypass where middleware does not run but the static file is still served. This issue has been patched in version 1.19.10.
Title @hono/node-server: Authorization bypass for protected static paths via encoded slashes in Serve Static Middleware
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-03-06T18:02:36.517Z

Reserved: 2026-03-03T20:51:43.484Z

Link: CVE-2026-29087

cve-icon Vulnrichment

Updated: 2026-03-06T18:02:31.957Z

cve-icon NVD

Status : Received

Published: 2026-03-06T18:16:19.757

Modified: 2026-03-06T18:16:19.757

Link: CVE-2026-29087

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses