CVE-2026-59895

Hono (server-side JS framework) contains a CS/XSS flaw in cx() within hono/css: class name construction concatenates strings and marks the result as pre-escaped, bypassing HTML escaping. This allows untrusted className values used in a JSX class attribute during server-side rendering to break out...

CVE-2026-59896 hono/jsx does not isolate context per request, leading to cross-request data disclosure

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.11.8 before 4.12.27, hono/jsx did not isolate context values per request during server-side rendering, allowing createContext, useContext, jsxRenderer, or useRequestContext data from a different in-flight...

PT-2026-56506

Name of the Vulnerable Software and Affected Versions Hono versions 4.11.8 through 4.12.26 Description During server-side rendering, the hono/jsx module fails to isolate context values on a per-request basis. This allows data from a different in-flight request to be accessed after an await...

CVE-2026-44458 Hono: CSS Declaration Injection via Style Object Values in JSX SSR

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.18, 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 t...

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...

GHSA-QP7P-654G-CW7P 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...

CVE-2026-27612 Repostat Vulnerable to Reflected Cross-Site Scripting (XSS) via repo prop in RepoCard

Repostat is a React component to fetch and display GitHub repository info. Prior to version 1.0.1, the RepoCard component is vulnerable to Reflected Cross-Site Scripting XSS. The vulnerability occurs because the component uses React's dangerouslySetInnerHTML to render the repository name repo pro...