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parse-server: routeAllowList bypassed for batch sub-requests

The `routeAllowList` server option was bypassed for batch sub-requests, allowing external callers to access REST API routes not in the allow-list via batch requests.

20 Jun 2026Read 1 minSeverity: schedule it

What changed

The `routeAllowList` server option was bypassed for batch sub-requests, allowing external callers to access REST API routes not in the allow-list via batch requests. The fix re-enforces the allow-list check for each batch sub-request.

Who it affects

Operators using Parse Server v9.8.0 or later who have configured `routeAllowList` and allowlisted the `batch` route.

What to do today

Upgrade to the patched version or apply the workaround by explicitly including all intended inner routes in the allow-list.

The trail
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