CVE-2026-41690

Summary: CVE-2026-41690 affects i18next-http-middleware

CVE-2026-41690 Prototype pollution and path traversal in i18next-http-middleware via user-controlled language and namespace parameters

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-2026-41690 Prototype pollution and path traversal in i18next-http-middleware via user-controlled language and namespace parameters

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...

i18next-http-middleware 路径遍历漏洞

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 contained a path traversal vulnerability. This vulnerability stemmed from the lack of cleaning user-controlled lng and ns...

i18next-locize-backend 路径遍历漏洞

i18next-locize-backend is an open-source plugin for internationalization resource loading and key storage by locize. Versions of i18next-locize-backend prior to 9.0.2 had a path traversal vulnerability. This vulnerability arises from directly inserting lng, ns, projectId, and version into the URL...

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...

i18next-fs-backend 路径遍历漏洞

i18next-fs-backend is an open-source backend layer developed by i18next for Node.js and Deno environments. It is used to load translation resources from the file system. Versions of i18next-fs-backend prior to 2.6.4 contained a path traversal vulnerability. This vulnerability arises from directly...

CVE-2026-41691

CVE-2026-41691 affects the i18next-http-backend package. Prior to version 3.0.5, the code interpolated the languages (lng) and namespaces (ns) into loadPath/addPath URL templates without proper encoding or sanitisation, allowing an attacker-controlled language input to alter URL structure and per...

CVE-2026-41691 i18next-http-backend has Path Traversal & URL Injection via Unsanitised lng/ns

Copilot said: i18nextify is a JavaScript library that adds i18nextify is a JavaScript library that adds website internationalization via a script tag, without source code changes. Versions prior to 3.0.5 interpolate the lng and ns values directly into the configured loadPath / addPath URL templat...

CVE-2026-41691 i18next-http-backend has Path Traversal & URL Injection via Unsanitised lng/ns

Copilot said: i18nextify is a JavaScript library that adds i18nextify is a JavaScript library that adds website internationalization via a script tag, without source code changes. Versions prior to 3.0.5 interpolate the lng and ns values directly into the configured loadPath / addPath URL templat...

@ainsleydev/payload-helper (>=0.0.1, <=0.0.2), @bsct/payload (1.0.0) +89 more potentially affected by CVE-2026-42353 via i18next-http-middleware (>=3.0.2, <=3.9.2)

i18next-http-middleware NPM version =3.0.2, =0.0.1, =1.0.1, =0.0.1, =0.0.1, =0.0.1, =8.0.0-alpha1, =3.0.0-rc.0, =1.0.0, =1.0.0, =0.0.1, =0.0.1, =1.0.3 and more Source cves: CVE-2026-42353 Source advisory: SNYK:JS-I18NEXTHTTPMIDDLEWARE-16415528...

GHSA-JFGF-83C5-2C4M i18next-http-middleware has path traversal / SSRF via user-controlled language and namespace parameters

Summary Versions of i18next-http-middleware prior to 3.9.3 pass the user-controlled lng and ns values from getResourcesHandler directly into i18next.services.backendConnector.loadlanguages, namespaces, … without any sanitisation. Depending on which backend is configured, the unvalidated path...

Server-side Request Forgery (SSRF)

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 Server-side Request Forgery SSRF via the lng and ns parameters used by...

@ainsleydev/payload-helper (>=0.0.1, <=0.0.2), @bsct/payload (1.0.0) +89 more potentially affected by CVE-2026-42353 via i18next-http-middleware (>=3.0.2, <=3.9.2)

i18next-http-middleware NPM version =3.0.2, =0.0.1, =1.0.1, =0.0.1, =0.0.1, =0.0.1, =8.0.0-alpha1, =3.0.0-rc.0, =1.0.0, =1.0.0, =0.0.1, =0.0.1, =1.0.3 and more Source cves: CVE-2026-42353 Source advisory: OSV:GHSA-JFGF-83C5-2C4M...

i18next-http-middleware has path traversal / SSRF via user-controlled language and namespace parameters

Summary Versions of i18next-http-middleware prior to 3.9.3 pass the user-controlled lng and ns values from getResourcesHandler directly into i18next.services.backendConnector.loadlanguages, namespaces, … without any sanitisation. Depending on which backend is configured, the unvalidated path...

PT-2026-36113

Name of the Vulnerable Software and Affected Versions i18next-http-middleware versions prior to 3.9.3 Description The software passes user-controlled lng and ns values from the getResourcesHandler function directly into i18next.services.backendConnector.loadlanguages, namespaces, … without...

locizer (>=5.0.0, <=5.0.1), locizify (>=9.0.0, <=9.0.9) +1 more potentially affected by CVE-2026-41885 via i18next-locize-backend (>=9.0.0, <=9.0.1)

i18next-locize-backend NPM version =9.0.0, =5.0.0, =9.0.0, =2.0.0, =2.0.6 Source cves: CVE-2026-41885 Source advisory: OSV:GHSA-MGCP-MFP8-3Q45...

i18next-locize-backend has URL Injection via Unsanitized Path Parameters

Summary Versions of i18next-locize-backend prior to 9.0.2 interpolate lng, ns, projectId, and version directly into the configured loadPath / privatePath / addPath / updatePath / getLanguagesPath URL templates with no path-component validation and no encoding. When an application exposes any of...

locizer (>=5.0.0, <=5.0.1), locizify (>=9.0.0, <=9.0.9) +1 more potentially affected by CVE-2026-41885 via i18next-locize-backend (>=9.0.0, <=9.0.1)

i18next-locize-backend NPM version =9.0.0, =5.0.0, =9.0.0, =2.0.0, =2.0.6 Source cves: CVE-2026-41885 Source advisory: SNYK:JS-I18NEXTLOCIZEBACKEND-16415530...

GHSA-MGCP-MFP8-3Q45 i18next-locize-backend has URL Injection via Unsanitized Path Parameters

Summary Versions of i18next-locize-backend prior to 9.0.2 interpolate lng, ns, projectId, and version directly into the configured loadPath / privatePath / addPath / updatePath / getLanguagesPath URL templates with no path-component validation and no encoding. When an application exposes any of...