CVE-2026-22029: Improper Neutralization of Input During Web Page Generation

React Router is a router for React. In @remix-run/router version prior to 1.23.2 and react-router 7.0.0 through 7.11.0, React Router and Remix v1/v2 SPA open navigation redirects originating from loaders or actions in Framework Mode, Data Mode, or the unstable RSC modes can result in unsafe URLs...

CVE-2026-22030: Origin Validation Error

React Router is a router for React. In @remix-run/server-runtime version prior to 2.17.3. and react-router 7.0.0 through 7.11.0, React Router or Remix v2 is vulnerable to CSRF attacks on document POST requests to UI routes when using server-side route action handlers in Framework Mode, or when...

React Router has CSRF issue in Action/Server Action Request Processing

React Router or Remix v2 is vulnerable to CSRF attacks on document POST requests to UI routes when using server-side route action handlers in Framework Mode, or when using React Server Actions in the new unstable RSC modes. !NOTE This does not impact your application if you are using Declarative...

Cross-site Request Forgery (CSRF)

Overview @remix-run/server-runtime is a Server runtime for Remix Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF due to the improper origin checks of UI route submissions in server-side route action handlers in Framework Mode. An attacker can execute unauthoriz...

@buttery/tokens (>=0.1.2, <=0.1.10), @common-stack/frontend-stack-react (>=6.0.6-alpha.23, <=10.0.1-alpha.0) +29 more potentially affected by CVE-2026-22030 via @remix-run/server-runtime (>=2.0.0-pre.0, <=2.17.2)

@remix-run/server-runtime NPM version =2.0.0-pre.0, =0.1.2, =6.0.6-alpha.23, =6.0.6-alpha.28, =2.9.1-dario-6, =0.1.0, =5.6.0, =5.13.0, =5.6.0, =5.6.0, =0.0.1-alpha.0, =2.0.0-pre.0, =2.0.0-pre.0, =2.0.0-pre.0, =2.0.0-pre.0, =2.0.0-pre.0, =2.17.2 and more Source cves: CVE-2026-22030 Source advisory...

@buttery/tokens (>=0.1.2, <=0.1.10), @common-stack/frontend-stack-react (>=6.0.6-alpha.23, <=10.0.1-alpha.0) +29 more potentially affected by CVE-2026-22030 via @remix-run/server-runtime (>=2.0.0-pre.0, <=2.17.2)

@remix-run/server-runtime NPM version =2.0.0-pre.0, =0.1.2, =6.0.6-alpha.23, =6.0.6-alpha.28, =2.9.1-dario-6, =0.1.0, =5.6.0, =5.13.0, =5.6.0, =5.6.0, =0.0.1-alpha.0, =2.0.0-pre.0, =2.0.0-pre.0, =2.0.0-pre.0, =2.0.0-pre.0, =2.0.0-pre.0, =2.17.2 and more Source cves: CVE-2026-22030 Source advisory...

@buttery/tokens (>=0.1.2, <=0.1.10), @common-stack/frontend-stack-react (>=6.0.6-alpha.23, <=10.0.1-alpha.0) +29 more potentially affected by CVE-2026-22030 via @remix-run/server-runtime (>=2.0.0-pre.0, <=2.17.2)

@remix-run/server-runtime NPM version =2.0.0-pre.0, =0.1.2, =6.0.6-alpha.23, =6.0.6-alpha.28, =2.9.1-dario-6, =0.1.0, =5.6.0, =5.13.0, =5.6.0, =5.6.0, =0.0.1-alpha.0, =2.0.0-pre.0, =2.0.0-pre.0, =2.0.0-pre.0, =2.0.0-pre.0, =2.0.0-pre.0, =2.17.2 and more Source cves: CVE-2026-22030 Source advisory...

React Router vulnerable to XSS via Open Redirects

React Router and Remix v1/v2 SPA open navigation redirects originating from loaders or actions in Framework Mode, Data Mode, or the unstable RSC modes can result in unsafe URLs causing unintended javascript execution on the client. This is only an issue if developers are creating redirect paths...

@1023-ventures/merope2 (>=0.2.1, <=0.2.9), @1023-ventures/vega-core (>=0.5.0, <=0.6.2) +1409 more potentially affected by CVE-2026-22029 via @remix-run/router (>=1.0.0, <=1.23.2-pre-v6.0)

@remix-run/router NPM version =1.0.0, =0.2.1, =0.5.0, =0.0.1, =0.0.1, =3.0.0, =0.0.0-beta-20260120211922, =1.0.0, =1.0.0, =1.0.0, =2.7.0, =0.0.1, =0.1.0, =0.0.0, =6.24.1, =8.19.1 and more Source cves: CVE-2026-22029 Source advisory: SNYK:JS-REMIXRUNROUTER-14908530...

@1023-ventures/merope2 (>=0.2.1, <=0.2.9), @1023-ventures/vega-core (>=0.5.0, <=0.6.2) +1409 more potentially affected by CVE-2026-22029 via @remix-run/router (>=1.0.0, <=1.23.2-pre-v6.0)

@remix-run/router NPM version =1.0.0, =0.2.1, =0.5.0, =0.0.1, =0.0.1, =3.0.0, =0.0.0-beta-20260120211922, =1.0.0, =1.0.0, =1.0.0, =2.7.0, =0.0.1, =0.1.0, =0.0.0, =6.24.1, =8.19.1 and more Source cves: CVE-2026-22029 Source advisory: OSV:GHSA-2W69-QVJG-HVJX...

@1023-ventures/merope2 (>=0.2.1, <=0.2.9), @1023-ventures/vega-core (>=0.5.0, <=0.6.2) +1409 more potentially affected by CVE-2026-22029 via @remix-run/router (>=1.0.0, <=1.23.1)

@remix-run/router NPM version =1.0.0, =0.2.1, =0.5.0, =0.0.1, =0.0.1, =3.0.0, =0.0.0-beta-20260120211922, =1.0.0, =1.0.0, =1.0.0, =2.7.0, =0.0.1, =0.1.0, =0.0.0, =6.24.1, =8.19.1 and more Source cves: CVE-2026-22029 Source advisory: GHSA-2W69-QVJG-HVJX...

Cross-site Scripting (XSS)

Overview @remix-run/router is a Nested/Data-driven/Framework-agnostic Routing Affected versions of this package are vulnerable to Cross-site Scripting XSS in the navigation redirect process for loaders or actions in Framework Mode, Data Mode, or the unstable RSC modes. An attacker can execute...

@buttery/tokens (>=0.1.2, <=0.1.10), @common-stack/frontend-stack-react (>=6.0.6-alpha.23, <=10.0.1-alpha.0) +7 more potentially affected by CVE-2026-21884 via @remix-run/react (>=2.0.0-pre.0, <=2.17.2)

@remix-run/react NPM version =2.0.0-pre.0, =0.1.2, =6.0.6-alpha.23, =0.1.0, =5.6.0, =0.0.1-alpha.0, =2.0.0-pre.0, =3.0.0, =0.4.0, =0.11.29 Source cves: CVE-2026-21884 Source advisory: GHSA-8V8X-CX79-35W7...

@buttery/tokens (>=0.1.2, <=0.1.10), @common-stack/frontend-stack-react (>=6.0.6-alpha.23, <=10.0.1-alpha.0) +7 more potentially affected by CVE-2026-21884 via @remix-run/react (>=2.0.0-pre.0, <=2.17.2)

@remix-run/react NPM version =2.0.0-pre.0, =0.1.2, =6.0.6-alpha.23, =0.1.0, =5.6.0, =0.0.1-alpha.0, =2.0.0-pre.0, =3.0.0, =0.4.0, =0.11.29 Source cves: CVE-2026-21884 Source advisory: SNYK:JS-REMIXRUNREACT-14908292...

@buttery/tokens (>=0.1.2, <=0.1.10), @common-stack/frontend-stack-react (>=6.0.6-alpha.23, <=10.0.1-alpha.0) +7 more potentially affected by CVE-2026-21884 via @remix-run/react (>=2.0.0-pre.0, <=2.17.2)

@remix-run/react NPM version =2.0.0-pre.0, =0.1.2, =6.0.6-alpha.23, =0.1.0, =5.6.0, =0.0.1-alpha.0, =2.0.0-pre.0, =3.0.0, =0.4.0, =0.11.29 Source cves: CVE-2026-21884 Source advisory: OSV:GHSA-8V8X-CX79-35W7...

Cross-site Scripting (XSS)

Overview @remix-run/react is a React DOM bindings for Remix Affected versions of this package are vulnerable to Cross-site Scripting XSS via the ScrollRestoration API when using the getKey or storageKey props during server-side rendering in Framework Mode. An attacker can execute arbitrary...

Open Redirect

Overview @remix-run/router is a Nested/Data-driven/Framework-agnostic Routing Affected versions of this package are vulnerable to Open Redirect via the resolvePath function when used with navigate, , or redirect. An attacker can cause the application to redirect users to external, potentially...

@1023-ventures/merope2 (>=0.2.1, <=0.2.9), @1023-ventures/vega-core (>=0.5.0, <=0.6.2) +1409 more potentially affected by CVE-2025-68470 via @remix-run/router (>=1.0.0, <=1.23.1-pre-v6.0)

@remix-run/router NPM version =1.0.0, =0.2.1, =0.5.0, =0.0.1, =0.0.1, =3.0.0, =0.0.0-beta-20260120211922, =1.0.0, =1.0.0, =1.0.0, =2.7.0, =0.0.1, =0.1.0, =0.0.0, =6.24.1, =8.19.1 and more Source cves: CVE-2025-68470 Source advisory: SNYK:JS-REMIXRUNROUTER-14908287...

@buttery/tokens (>=0.1.2, <=0.1.10), @common-stack/frontend-stack-react (>=6.0.6-alpha.23, <=10.0.1-alpha.0) +19 more potentially affected by CVE-2025-61686 via @remix-run/node (>=2.0.0-pre.0, <=2.17.1)

@remix-run/node NPM version =2.0.0-pre.0, =0.1.2, =6.0.6-alpha.23, =6.0.6-alpha.28, =2.9.1-dario-6, =0.1.0, =5.6.0, =5.13.0, =5.6.0, =5.6.0, =0.0.1-alpha.0, =2.0.0-pre.0, =2.2.0-pre.0, =2.0.0-pre.0, =2.0.0-pre.0, =2.0.0-pre.0, =2.17.1 and more Source cves: CVE-2025-61686 Source advisory:...

@buttery/tokens (>=0.1.2, <=0.1.10), @common-stack/frontend-stack-react (>=6.0.6-alpha.23, <=10.0.1-alpha.0) +19 more potentially affected by CVE-2025-61686 via @remix-run/node (>=2.0.0-pre.0, <=2.17.1)

@remix-run/node NPM version =2.0.0-pre.0, =0.1.2, =6.0.6-alpha.23, =6.0.6-alpha.28, =2.9.1-dario-6, =0.1.0, =5.6.0, =5.13.0, =5.6.0, =5.6.0, =0.0.1-alpha.0, =2.0.0-pre.0, =2.2.0-pre.0, =2.0.0-pre.0, =2.0.0-pre.0, =2.0.0-pre.0, =2.17.1 and more Source cves: CVE-2025-61686 Source advisory:...