CVE-2026-41683

i18next-http-middleware is a middleware to be used with Node.js web frameworks like express or Fastify and also for Deno. Prior to version 3.9.3, i18next-http-middleware wrote user-controlled language values into the Content-Language response header after passing them through utils.escape, which ...

CVE-2026-41683

i18next-http-middleware is a middleware to be used with Node.js web frameworks like express or Fastify and also for Deno. Prior to version 3.9.3, i18next-http-middleware wrote user-controlled language values into the Content-Language response header after passing them through utils.escape, which ...

CVE-2026-41683 HTTP response splitting and DoS in i18next-http-middleware via unsanitised Content-Language header

i18next-http-middleware is a middleware to be used with Node.js web frameworks like express or Fastify and also for Deno. Prior to version 3.9.3, i18next-http-middleware wrote user-controlled language values into the Content-Language response header after passing them through utils.escape, which ...

CVE-2026-41683

CVE-2026-41683 affects i18next-http-middleware prior to 3.9.3. The root cause is that user-controlled language values (lng) were passed, via unsafe escaping, into the Content-Language header, potentially allowing HTTP response splitting or DoS depending on Node.js version. Older i18next (< 19....

CVE-2026-41683 HTTP response splitting and DoS in i18next-http-middleware via unsanitised Content-Language header

i18next-http-middleware is a middleware to be used with Node.js web frameworks like express or Fastify and also for Deno. Prior to version 3.9.3, i18next-http-middleware wrote user-controlled language values into the Content-Language response header after passing them through utils.escape, which ...

i18next-http-middleware 跨站脚本漏洞

i18next-http-middleware is an open-source HTTP internationalization middleware for Node.js and Deno by i18next. Versions of i18next-http-middleware prior to version 3.9.3 had a cross-site scripting vulnerability. This vulnerability stemmed from incorrectly clearing control characters such as...

HTTP Response Splitting

Overview i18next-http-middleware is an i18next-http-middleware is a middleware to be used with Node.js web frameworks like express or Fastify and also for Deno. Affected versions of this package are vulnerable to HTTP Response Splitting via the lng parameter, which is passed through to the...

GHSA-C3H8-G69V-PJRG i18next-http-middleware: HTTP response splitting and DoS via unsanitised Content-Language header

Summary Versions of i18next-http-middleware prior to 3.9.3 wrote user-controlled language values into the Content-Language response header after passing them through utils.escape, which is an HTML-entity encoder that does not strip carriage return, line feed, or other control characters. When the...

i18next-http-middleware: HTTP response splitting and DoS via unsanitised Content-Language header

Summary Versions of i18next-http-middleware prior to 3.9.3 wrote user-controlled language values into the Content-Language response header after passing them through utils.escape, which is an HTML-entity encoder that does not strip carriage return, line feed, or other control characters. When the...

PT-2026-34624

Name of the Vulnerable Software and Affected Versions i18next-http-middleware versions prior to 3.9.3 Description The software writes user-controlled language values into the 'Content-Language' response header using an HTML-entity encoder that fails to strip carriage return, line feed, or other...