CVE-2026-33538
Fixed upstream EPSS <1%CVSS 8.7
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.58 and 9.6.0-alpha.52, an unauthenticated attacker can cause denial of service by sending authentication requests with arbitrary, unconfigured provider names. The server executes a database query for each unconfigured provider before rejecting the request, and since no database index exists for unconfigured providers, each request triggers a full collection scan on the user database. This can be parallelized to saturate database resources. This issue has been patched in versions 8.6.58 and 9.6.0-alpha.52.
Products: parse-community parse-server
Fixed upstream
| Ecosystem | Package | Fixed in |
|---|---|---|
| npm | parse-server | 9.6.0-alpha.52 |
| npm | parse-server | 8.6.58 |