CVE-2026-39407 Hono has a middleware bypass via repeated slashes in serveStatic

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...

Improper Input Validation

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to Improper Input Validation via the getCookie function. An attacker can override legitimate cookies and bypass prefix protections by setting cookies with non-breaking space prefixes, leadin...

Incorrect Behavior Order: Validate Before Canonicalize

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to Incorrect Behavior Order: Validate Before Canonicalize in the ipRestriction function. An attacker can bypass access restrictions by sending requests from IPv4-mapped IPv6 addresses, which...

HTTP Response Splitting

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to HTTP Response Splitting via the setCookie function. An attacker can cause runtime errors and potentially disrupt application behavior by supplying specially crafted input as the cookie...

Directory Traversal

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to Directory Traversal via the serveStatic function. An attacker can access sensitive static files intended to be protected by route-based middleware by crafting request paths with repeated...

Hono 输入验证错误漏洞

Hono is a web framework written in TypeScript for the Hono community. Versions of Hono prior to 4.12.12 contained a vulnerability related to input validation errors. This vulnerability stemmed from differences in how browser Cookie parsing and the parse function were handled, which could lead to...

Hono 路径遍历漏洞

Hono is a web framework built with TypeScript in the Hono community. Versions of Hono prior to 4.12.12 contained a path traversal vulnerability. This vulnerability stemmed from issues with the toSSG function, which allowed for path traversal attacks, potentially leading to files being written...

Hono 安全漏洞

Hono is a web framework built in TypeScript for the Hono community. Versions of Hono prior to 4.12.12 contained a security vulnerability. This vulnerability stemmed from the ipRestriction function not properly normalizing IPv4-mapped IPv6 client addresses, which could lead to failed matching of...

Hono 路径遍历漏洞

Hono is a web framework written in TypeScript for the Hono community. Versions of Hono prior to 4.12.12 contained a path traversal vulnerability. This vulnerability stemmed from inconsistent handling of serveStatic paths, allowing access to protected static files using repeated slashes, thereby...

Prototype Pollution

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to Prototype Pollution in parseBody, when the dot option is enabled. An attacker can supply objects with proto properties, which may later be merged by other functions in the application,...

CVE-2026-29087

The connected IBM bulletin confirms CVE-2026-29087 affects the Node.js module hono used by IBM App Connect Enterprise Certified Container. The vulnerability arises from inconsistent URL decoding when static file serving and route-middleware protections are used together, allowing access to protec...

CVE-2026-29086

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.12.4, the setCookie utility did not validate semicolons ;, carriage returns \r, or newline characters \n in the domain and path options when constructing the Set-Cookie header. Because cookie...

CVE-2026-29045

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.12.4, when using serveStatic together with route-based middleware protections e.g. app.use'/admin/', ..., inconsistent URL decoding allowed protected static resources to be accessed without...

CRLF Injection

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to CRLF Injection via the writeSSE function when untrusted input containing carriage return or newline characters is passed to the event, id, or retry fields. An attacker can inject addition...

CRLF Injection

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to CRLF Injection via the setCookie utility. An attacker can inject unauthorized cookie attributes by supplying specially crafted input containing semicolons, carriage returns, or newline...

CVE-2026-29045

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.12.4, when using serveStatic together with route-based middleware protections e.g. app.use'/admin/', ..., inconsistent URL decoding allowed protected static resources to be accessed without...

CVE-2026-29085

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.12.4, when using streamSSE in Streaming Helper, the event, id, and retry fields were not validated for carriage return \r or newline \n characters. Because the SSE protocol uses line breaks as...

CVE-2026-29086

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.12.4, the setCookie utility did not validate semicolons ;, carriage returns \r, or newline characters \n in the domain and path options when constructing the Set-Cookie header. Because cookie...

CVE-2026-29085

CVE-2026-29085 – Hono SSE field-injection risk . IBM reports that the Hono-based Node.js module used by IBM App Connect Enterprise contains a vulnerability in streamSSE() within Streaming Helper prior to 4.12.4, where event, id, and retry fields were not validated for CR/LF characters. Since SSE ...

CVE-2026-29085 Hono: SSE Control Field Injection via CR/LF in writeSSE()

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.12.4, when using streamSSE in Streaming Helper, the event, id, and retry fields were not validated for carriage return \r or newline \n characters. Because the SSE protocol uses line breaks as...