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 ...

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...

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 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: 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...

0pflow (>=0.1.0-dev.2580522, <=0.1.0-dev.f5622ac), @aaarc/recursivelearnmcp (>=0.1.0, <=0.1.3) +414 more potentially affected by CVE-2026-71848 via hono (>=4.12.0, <=4.12.33)

hono NPM version =4.12.0, =0.1.0-dev.2580522, =0.1.0, =0.3.1, =0.0.0-pr-306-20260707164534, =0.1.0, =0.5.5, =0.17.0, =0.6.0, =0.8.0, =0.5.3, =0.17.0, =0.1.4, =0.0.13, =0.1.5 and more Source cves: CVE-2026-71848 Source advisory: SNYK:JS-HONO-18593786...

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 ...

0pflow (>=0.1.0-dev.2580522, <=0.1.0-dev.f5622ac), @aaarc/recursivelearnmcp (>=0.1.0, <=0.1.3) +414 more potentially affected by CVE-2026-71848 via hono (>=4.12.0, <=4.12.33)

hono NPM version =4.12.0, =0.1.0-dev.2580522, =0.1.0, =0.3.1, =0.0.0-pr-306-20260707164534, =0.1.0, =0.5.5, =0.17.0, =0.6.0, =0.8.0, =0.5.3, =0.17.0, =0.1.4, =0.0.13, =0.1.5 and more Source cves: CVE-2026-71848 Source advisory: OSV:GHSA-54FX-42GC-7VW4...

CVE-2026-71848 Hono: Algorithmic Complexity DoS in Language Middleware

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.12.0 to 4.12.33, the languageDetector middleware is vulnerable to algorithmic complexity denial of service when processing a crafted language tag containing a large number of hyphen separated subtags. To...

CVE-2026-71848

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.12.0 to 4.12.33, the languageDetector middleware is vulnerable to algorithmic complexity denial of service when processing a crafted language tag containing a large number of hyphen separated subtags. To...

CVE-2026-71848 Hono: Algorithmic Complexity DoS in Language Middleware

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.12.0 to 4.12.33, the languageDetector middleware is vulnerable to algorithmic complexity denial of service when processing a crafted language tag containing a large number of hyphen separated subtags. To...

CVE-2026-71848 Hono: Algorithmic Complexity DoS in Language Middleware

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.12.0 to 4.12.33, the languageDetector middleware is vulnerable to algorithmic complexity denial of service when processing a crafted language tag containing a large number of hyphen separated subtags. To...

CVE-2026-71848

Summary: CVE-2026-71848 affects the Hono web framework (4.12.0–4.12.33) via the languageDetector middleware. The root cause is an implementation in normalizeLanguage() that builds language tag prefixes with parts.slice(0, i).join('-') for every possible prefix, causing the total string processing...

Security Bulletin: IBM Bob Premium Package for i is affected by multiple vulnerabilities

Summary There are multiple vulnerabilities in IBM Bob Premium Package for i. fast-uri can fail to canonicalize Unicode hostnames CVE-2026-13676. Hono Web Application framework can allow untrusted className values CVE-2026-59895, does not isolate context vales CVE-2026-59896, can drop distinct...

Hono: ReDoS in CORS middleware via Access-Control-Request-Headers

Summary The built-in CORS middleware hono/cors parses the attacker-controlled Access-Control-Request-Headers request header during a preflight OPTIONS request using a regular expression whose running time is quadratic in the input length. A single request carrying a long run of whitespace can...