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CVE-2026-30946

CVE-2026-30946 · Parse Server affected by denial-of-service via unbounded query complexity in REST and GraphQL API

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior 9.5.2-alpha.2 and 8.6.15, an unauthenticated attacker can exhaust Parse Server resources (CPU, memory, database connections) through crafted queries that exploit the lack of complexity limits in the REST and GraphQL APIs. All Parse Server deployments using the REST or GraphQL API are affected. This vulnerability is fixed in 9.5.2-alpha.2 and 8.6.15.

CVSS 8.7 · High · EPSS 0.7% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • parse-server

    Versions
    • < 8.6.15: Affected
    • >= 9.0.0 < 9.5.2-alpha.2: Affected

    No fix published

  • parse-server npm

    Affected ranges
    • SEMVER: < 8.6.15

    Update to 8.6.15

  • parse-server npm

    Affected ranges
    • SEMVER: ≥ 9.0.0, < 9.5.2-alpha.2

    Update to 9.5.2-alpha.2

Original sources

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