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

NPM: Hono: memo retains SSR output across requests, leading to cross-user data disclosure vulnerability discovered by ? in WordPress Npm hono versions = 3.8.0, 4.12.34...

@3onedata/alsatian (>=0.1.8-fix.3, <=0.1.8-fix.5), @a0dotrun/expose (>=0.0.2, <=0.0.4) +1031 more potentially affected by CVE-2026-71850 via hono (>=3.8.4, <=4.12.33)

hono NPM version =3.8.4, =0.1.8-fix.3, =0.0.2, =0.1.0, =0.3.1, =5.0.0, =0.0.138, =0.0.138, =0.0.138, =0.0.138, =0.0.138, =0.0.0-pr-306-20260707164534, =0.9.0, =0.12.1 and more Source cves: CVE-2026-71850 Source advisory: SNYK:JS-HONO-18592332...

CVE-2026-71850 Hono: `memo()` retains SSR output across requests, leading to cross-user data disclosure

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 ...

CVE-2026-71850

Hono CVE-2026-71850 affects the Hono Web framework (3.8.0–4.12.33). memo() retains SSR output for later renders and reuses it when controls with identical props are rendered, while request-scoped values read during rendering (e.g., JSX Context via createContext/useContext, useRequestContext from ...

CVE-2026-71850

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 ...

CVE-2026-71850 Hono: `memo()` retains SSR output across requests, leading to cross-user data disclosure

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 ...

CVE-2026-71850 Hono: `memo()` retains SSR output across requests, leading to cross-user data disclosure

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 ...

NPM: Hono: Proxy Helper does not remove response headers listed in the `Connection` header

NPM: Hono: Proxy Helper does not remove response headers listed in the Connection header vulnerability discovered by ? in WordPress Npm hono versions = 4.7.0, 4.12.34...

HTTP Request Smuggling

Overview org.webjars.npm:hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to HTTP Request Smuggling in the proxy process. An attacker can access connection-scoped or internal metadata by sending requests to an application that proxies responses fro...

HTTP Request Smuggling

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to HTTP Request Smuggling in the proxy process. An attacker can access connection-scoped or internal metadata by sending requests to an application that proxies responses from an origin...

@3onedata/alsatian (>=0.1.8-fix.3, <=0.1.8-fix.5), @a0dotrun/expose (>=0.0.2, <=0.0.4) +720 more potentially affected by CVE-2026-71849 via hono (>=4.7.0, <=4.12.33)

hono NPM version =4.7.0, =0.1.8-fix.3, =0.0.2, =0.1.0, =0.3.1, =0.0.138, =0.0.138, =0.0.138, =0.0.138, =0.0.138, =0.0.0-pr-306-20260707164534, =0.9.0, =0.1.0, =0.1.9, =0.1.12 and more Source cves: CVE-2026-71849 Source advisory: SNYK:JS-HONO-18592333...

@3onedata/alsatian (>=0.1.8-fix.3, <=0.1.8-fix.5), @a0dotrun/expose (>=0.0.2, <=0.0.4) +720 more potentially affected by CVE-2026-71849 via hono (>=4.7.0, <=4.12.33)

hono NPM version =4.7.0, =0.1.8-fix.3, =0.0.2, =0.1.0, =0.3.1, =0.0.138, =0.0.138, =0.0.138, =0.0.138, =0.0.138, =0.0.0-pr-306-20260707164534, =0.9.0, =0.1.0, =0.1.9, =0.1.12 and more Source cves: CVE-2026-71849 Source advisory: OSV:GHSA-79QM-7RJ5-M7R9...

CVE-2026-71849 Hono: Proxy Helper does not remove response headers listed in the `Connection` header

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.7.0 to 4.12.33, the Proxy Helper proxy function in hono/proxy does not remove response headers named by the origin's Connection header. Per RFC 9110 Section 7.6.1, an intermediary must remove the header...

EUVD-2026-54579

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.7.0 to 4.12.33, the Proxy Helper proxy function in hono/proxy does not remove response headers named by the origin's Connection header. Per RFC 9110 Section 7.6.1, an intermediary must remove the header...

CVE-2026-71849

Hono (Web application framework) vulnerability: from versions 4.7.0–4.12.33, the Proxy Helper proxy() in hono/proxy does not remove response headers named by the origin’s Connection header, potentially exposing headers intended for the origin’s peer. Per RFC 9110, intermediaries must remove Conne...

CVE-2026-71849

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.7.0 to 4.12.33, the Proxy Helper proxy function in hono/proxy does not remove response headers named by the origin's Connection header. Per RFC 9110 Section 7.6.1, an intermediary must remove the header...

CVE-2026-71849 Hono: Proxy Helper does not remove response headers listed in the `Connection` header

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.7.0 to 4.12.33, the Proxy Helper proxy function in hono/proxy does not remove response headers named by the origin's Connection header. Per RFC 9110 Section 7.6.1, an intermediary must remove the header...

CVE-2026-71849 Hono: Proxy Helper does not remove response headers listed in the `Connection` header

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.7.0 to 4.12.33, the Proxy Helper proxy function in hono/proxy does not remove response headers named by the origin's Connection header. Per RFC 9110 Section 7.6.1, an intermediary must remove the header...

NPM: Hono: Algorithmic Complexity DoS in Language Middleware

NPM: Hono: Algorithmic Complexity DoS in Language Middleware vulnerability discovered by ? in WordPress Npm hono versions = 4.12.0, 4.12.34...

Inefficient Algorithmic Complexity

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity via the languageDetector middleware. An attacker can cause excessive CPU consumption and block unrelated requests by sending crafted language tags with ...