Security Bulletin: Multiple vulnerabilities in i18next-http-middleware affect IBM Cloud Pak System

Summary Multiple vulnerabilities in i18next-http-middleware affect IBM Cloud Pak System CVE-2026-41683, CVE-2026-41690, CVE-2026-42353. Vulnerability Details CVEID:CVE-2026-41683 DESCRIPTION: i18next-http-middleware is a middleware to be used with Node.js web frameworks like express or Fastify an...

CVE-2026-41690

18next-http-middleware is a middleware to be used with Node.js web frameworks like express or Fastify and also for Deno. Versions prior to 3.9.3 allow an unauthenticated HTTP client to pollute Object.prototype in the Node.js process hosting the middleware, via two unvalidated entry points that...

CVE-2026-42353: Improper Limitation of a Pathname to a Restricted Directory

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 passes the user-controlled lng and ns values from getResourcesHandler directly into...

CVE-2026-41690: Improper Limitation of a Pathname to a Restricted Directory

18next-http-middleware is a middleware to be used with Node.js web frameworks like express or Fastify and also for Deno. Versions prior to 3.9.3 allow an unauthenticated HTTP client to pollute Object.prototype in the Node.js process hosting the middleware, via two unvalidated entry points that...

PT-2026-36654

Summary Versions of i18next-http-middleware prior to 3.9.3 pass user-controlled lng and ns parameters to two internal paths that use them in ways that enable prototype pollution and, depending on the configured backend, path traversal or SSRF. The vulnerable entry points are unauthenticated HTTP...