Security Advisory

CVE-2026-42353

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-08 15:29:55

Last updated 2026-05-08 23:30:15

Assigner GitHub_M

CVSS score 8.2

State PUBLISHED

Description

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 i18next.services.backendConnector.load(languages, namespaces, …) without any sanitization. Depending on which backend is configured, the unvalidated path segments enable either path traversal or SSRF. This issue has been patched in version 3.9.3.

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