CVE-2026-44455

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.16, Improper handling of JSX element tag names in hono/jsx allowed unvalidated tag names to be directly inserted into the generated HTML output. When untrusted input is used as a tag name via the...

CVE-2026-44455 Hono: Unvalidated JSX Tag Names in hono/jsx May Allow HTML Injection

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.16, Improper handling of JSX element tag names in hono/jsx allowed unvalidated tag names to be directly inserted into the generated HTML output. When untrusted input is used as a tag name via the...

CVE-2026-44455 Hono: Unvalidated JSX Tag Names in hono/jsx May Allow HTML Injection

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.16, Improper handling of JSX element tag names in hono/jsx allowed unvalidated tag names to be directly inserted into the generated HTML output. When untrusted input is used as a tag name via the...

CVE-2026-44455

Summary: CVE-2026-44455 affects hono/jsx in the Hono web framework. Prior to version 4.12.16, unvalidated JSX tag names used via programmatic jsx() or createElement() during server-side rendering could be inserted into HTML output, allowing untrusted input to break element context and inject unin...

Hono 安全漏洞

Hono is a web framework written in TypeScript for the Hono community. Versions of Hono prior to 4.12.18 contained security vulnerabilities. These vulnerabilities stemmed from improper validation of the JWT NumericDate field in the hono/utils/jwt directory, allowing non-compliant declaration value...

Hono 注入漏洞

Hono is a web framework written in TypeScript for the Hono community. Versions of Hono prior to 4.12.16 had an injection vulnerability. This vulnerability stemmed from improper handling of JSX element tag names in hono/jsx, allowing unvalidated tag names to be directly inserted into the generated...

Hono 资源管理错误漏洞

Hono is a web framework built in TypeScript for the Hono community. Versions of Hono prior to 4.12.16 contained a resource management vulnerability. This vulnerability stemmed from the fact that the bodyLimit function did not reliably enforce the maxSize for requests without an available...

Hono 注入漏洞

Hono is a web framework written in TypeScript for the Hono community. Versions of Hono prior to 4.12.18 had an injection vulnerability. This vulnerability stemmed from the JSX renderer’s tendency to escape HTML values of style property objects without escaping them with CSS. As a result, unexpect...

Hono has CSS Declaration Injection via Style Object Values in JSX SSR

Summary The JSX renderer escapes style attribute object values for HTML but not for CSS. Untrusted input in a style object value or property name can therefore inject additional CSS declarations into the rendered style attribute. The impact is limited to CSS and does not allow JavaScript executio...

Improper Encoding or Escaping of Output

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output the styleObjectForEach and jsxAttr style serialization paths in the JSX runtime. An attacker can inject arbitrary CSS declarations by supplying...

Improper Validation of Specified Quantity in Input

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to Improper Validation of Specified Quantity in Input through the verify function in the JWT component. An attacker can supply a signed token with malformed nbf, exp, or iat claims, includin...

Use of Cache Containing Sensitive Information

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to Use of Cache Containing Sensitive Information through the cache process in the cache middleware. An attacker can cause responses to be cached or served incorrectly by sending requests tha...

Allocation of Resources Without Limits or Throttling

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the bodyLimit function. An attacker can bypass request size restrictions by sending chunked or unknown-length requests, allowing...

HTML Injection

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to HTML Injection via the jsx element tag. An attacker can inject unintended HTML elements or attributes, corrupt the HTML structure, or execute scripts by supplying malicious tag names as...

NPM: hono/jsx has Unvalidated JSX Tag Names that May Allow HTML Injection

NPM: hono/jsx has Unvalidated JSX Tag Names that May Allow HTML Injection vulnerability discovered by ? in WordPress Npm hono versions 4.12.16...

Cross-site Scripting (XSS)

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to Cross-site Scripting XSS via the jsxAttr and JSX attribute rendering paths in src/jsx/jsx-runtime.ts, src/jsx/base.ts, and src/jsx/dom/render.ts. An attacker can inject executable markup ...

CVE-2026-39408

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.12, a path traversal issue in toSSG allows files to be written outside the configured output directory during static site generation. When using dynamic route parameters via ssgParams, specially...

CVE-2026-39410

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.12, a discrepancy between browser cookie parsing and parse handling allows cookie prefix protections to be bypassed. Cookie names that are treated as distinct by the browser may be normalized to th...

CVE-2026-39409

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.12, ipRestriction does not canonicalize IPv4-mapped IPv6 client addresses e.g. ::ffff:127.0.0.1 before applying IPv4 allow or deny rules. In environments such as Node.js dual-stack, this can cause...

CVE-2026-39408

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.12, a path traversal issue in toSSG allows files to be written outside the configured output directory during static site generation. When using dynamic route parameters via ssgParams, specially...