Hono: app.mount() strips mount prefix using undecoded path, causing incorrect routing for percent-encoded paths

Summary app.mount strips the mount prefix from the incoming request path using the raw URL pathname, while route matching is performed against the percent-decoded path. This inconsistency causes the prefix to be stripped at the wrong position when the path contains percent-encoded multi-byte...

EUVD-2026-32924

Hono: app.mount strips mount prefix using undecoded path, causing incorrect routing for percent-encoded paths...

GHSA-2GCR-MFCQ-WCC3 Hono: app.mount() strips mount prefix using undecoded path, causing incorrect routing for percent-encoded paths

Summary app.mount strips the mount prefix from the incoming request path using the raw URL pathname, while route matching is performed against the percent-decoded path. This inconsistency causes the prefix to be stripped at the wrong position when the path contains percent-encoded multi-byte...

CVE-2026-47676

Summary: In Hono, prior to 4.12.21, app.mount() strips the mount prefix from the raw URL pathname while route matching uses the percent-decoded path. This mismatch can cause the prefix to be stripped at the wrong position for percent-encoded multi-byte characters, causing the mounted sub-applicat...

CVE-2026-47676

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.21, app.mount strips the mount prefix from the incoming request path using the raw URL pathname, while route matching is performed against the percent-decoded path. This inconsistency causes the...

CVE-2026-47676 Hono: app.mount() strips mount prefix using undecoded path, causing incorrect routing for percent-encoded paths

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.21, app.mount strips the mount prefix from the incoming request path using the raw URL pathname, while route matching is performed against the percent-decoded path. This inconsistency causes the...

Hono 安全漏洞

Hono is a web framework built with TypeScript in the Hono community. Versions of Hono prior to 4.12.21 contained security vulnerabilities. These vulnerabilities stemmed from the use of app.mount to remove the mount prefix using raw URL path names. Route matching was performed on percent-encoded...

mod_jk sends decoded URL to tomcat

modjk in Apache Tomcat JK Web Server Connector 1.2.x before 1.2.23 decodes request URLs within the Apache HTTP Server before passing the URL to Tomcat, which allows remote attackers to access protected pages via a crafted prefix JkMount, possibly involving double-encoded .. dot dot sequences and...