CVE-2026-39407
CVE-2026-39407 · Hono has a middleware bypass via repeated slashes in serveStatic
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Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.12, a path handling inconsistency in serveStatic allows protected static files to be accessed by using repeated slashes (//) in the request path. When route-based middleware (e.g., /admin/*) is used for authorization, the router may not match paths containing repeated slashes, while serveStatic resolves them as normalized paths. This can lead to a middleware bypass. This vulnerability is fixed in 4.12.12.
CVSS 5.3 · Moyenne · EPSS 0,5% · Correctif disponible
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Pile logicielle: node