TanStack React Router
npm@tanstack/react-routerTanStack React Router is a type-safe, file-based routing library for React applications, providing nested routes, search parameter management, and route-level data loading. It is the primary router for TanStack Start (the full-stack React framework). Applications using this package expose user-supplied URL paths and search parameters to route matching logic.
Checking TanStack React Router
@tanstack/react-router 1.56.0 is a clean version with no known supply chain compromise. The response returns compromised: false with an empty sources array.
curl "https://api.attestd.io/v1/check?product=%40tanstack%2Freact-router&version=1.56.0" \
-H "Authorization: Bearer YOUR_API_KEY"{
"product": "@tanstack/react-router",
"version": "1.56.0",
"supported": true,
"risk_state": "none",
"supply_chain": {
"compromised": false,
"sources": [],
"malware_type": null,
"description": null,
"advisory_url": null,
"compromised_at": null,
"removed_at": null
},
"last_updated": "2026-05-01T00:00:00Z"
}Why this package is monitored
Client-side routing libraries parse user-controlled URL input and match it against route definitions. The CVE-2026-45321 family affecting TanStack Router packages involves path traversal via encoded URL segments that bypass route guards.
Attestd monitors @tanstack/react-router using the following detection sources:
registryManually curated advisories in the Attestd registry, verified by a human analyst. Confidence 1.0.
osvOSV.dev malicious-package advisories with IDs prefixed MAL-. Confidence 0.95.
npm_deprecationnpm package versions with deprecation messages containing targeted attack language such as malicious, backdoor, or compromised. Confidence 0.80.