TanStack
diff --git a/‎packages/react-router/src/link.tsx‎
Lines changed: 5 additions & 0 deletions b/‎packages/react-router/src/link.tsx‎
Lines changed: 5 additions & 0 deletions
@@ -156,6 +156,11 @@ export function useLinkProps<
       }
       return hrefOption.href
     }
+    const isSafeInternal =
+      typeof to === 'string' &&
+      to.charCodeAt(0) === 47 && // '/'
+      to.charCodeAt(1) !== 47 // but not '//'
+    if (isSafeInternal) return undefined
     try {
       new URL(to as any)
       // Block dangerous protocols like javascript:, data:, vbscript:
Original file line number	Diff line number	Diff line change
`@@ -156,6 +156,11 @@ export function useLinkProps<`
`156`	`156`	`}`
`157`	`157`	`return hrefOption.href`
`158`	`158`	`}`
	`159`	`+ const isSafeInternal =`
	`160`	`+ typeof to === 'string' &&`
	`161`	`+ to.charCodeAt(0) === 47 && // '/'`
	`162`	`+ to.charCodeAt(1) !== 47 // but not '//'`
	`163`	`+ if (isSafeInternal) return undefined`
`159`	`164`	`try {`
`160`	`165`	`new URL(to as any)`
`161`	`166`	`// Block dangerous protocols like javascript:, data:, vbscript:`