CVE-2026-92784: Improper Control of Generation of Code

@refinedev/inferencer through 7.0.0 fails to escape API field names when interpolating them into generated JSX source code. Attackers controlling the data provider can inject malicious JavaScript through crafted JSON property names that execute in the developer's browser when the Inferencer page...

GHSA-F23P-VX2J-J53R Hono: `memo()` retains SSR output across requests, leading to cross-user data disclosure

Summary memo from hono/jsx retains the result of a server-side render and reuses it for later renders with comparator-equal props. Request-scoped values read inside the component take no part in that comparison, so a response can contain HTML rendered for another user's request. Details Component...

Hono: `memo()` retains SSR output across requests, leading to cross-user data disclosure

Summary memo from hono/jsx retains the result of a server-side render and reuses it for later renders with comparator-equal props. Request-scoped values read inside the component take no part in that comparison, so a response can contain HTML rendered for another user's request. Details Component...

CVE-2026-71850: Exposure of Data Element to Wrong Session

Hono is a Web application framework that provides support for any JavaScript runtime. From 3.8.0 to 4.12.33, memo from hono/jsx retains the result of a server side render and reuses it for later renders with comparator equal props, and request scoped values read inside the component take no part ...

GHSA-HVRM-45R6-MJFJ hono/jsx does not isolate context per request, leading to cross-request data disclosure

Summary hono/jsx did not isolate context values per request during server-side rendering. While an async component was suspended on await, its provided context value stayed observable to other requests rendering concurrently, so useContext could return a value from a different in-flight request...

Hono: Server-Side XSS via JSX Escaping Bypass in cx() Utility

Summary cx in hono/css composes class names from plain strings but marks the result as already-escaped without HTML-escaping the input. When the result is used as a JSX class attribute during server-side rendering, the value is written into the attribute unescaped, so untrusted input can break ou...

NPM: Hono: Server-Side XSS via JSX Escaping Bypass in cx() Utility

NPM: Hono: Server-Side XSS via JSX Escaping Bypass in cx Utility vulnerability discovered by ? in WordPress Npm hono versions = 4.0.0, 4.12.27...

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 cx class-name handling in src/helper/css/index.ts. An attacker can inject arbitrary HTML into rendered JSX by supplying a malicious class string to cx...

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-2026-59895 Hono: Server-Side XSS via JSX Escaping Bypass in cx() Utility

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.0.0 before 4.12.27, cx in hono/css composes class names from plain strings but marks the result as already escaped without HTML-escaping the input, allowing untrusted className values used in a JSX class...

CVE-2026-59895 Hono: Server-Side XSS via JSX Escaping Bypass in cx() Utility

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.0.0 before 4.12.27, cx in hono/css composes class names from plain strings but marks the result as already escaped without HTML-escaping the input, allowing untrusted className values used in a JSX class...

CVE-2026-59896

Hono/jsx in the Hono web framework exposes a cross-request data disclosure during server-side rendering. From version 4.11.8 up to, but not including, 4.12.27, context values created via createContext, useContext, jsxRenderer, or useRequestContext were not isolated per request and could be reused...

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...

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...

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...

CVE-2026-59896: Concurrent Execution using Shared Resource with Improper Synchronization

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-2026-56761 hono - HTML Injection via Improper JSX Attribute Name Handling in SSR

hono before 4.12.14 contains an html injection vulnerability in jsx server-side rendering that allows attackers to inject unintended html by using malformed attribute names. Attackers can craft specially crafted attribute keys containing characters like quotes or angle brackets to break html tag...

CVE-2026-56761 hono - HTML Injection via Improper JSX Attribute Name Handling in SSR

hono before 4.12.14 contains an html injection vulnerability in jsx server-side rendering that allows attackers to inject unintended html by using malformed attribute names. Attackers can craft specially crafted attribute keys containing characters like quotes or angle brackets to break html tag...

CVE-2026-56761: Improper Neutralization of Input During Web Page Generation

hono before 4.12.14 contains an html injection vulnerability in jsx server-side rendering that allows attackers to inject unintended html by using malformed attribute names. Attackers can craft specially crafted attribute keys containing characters like quotes or angle brackets to break html tag...