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CVE-2026-30854

CVE-2026-30854 · Parse Server: GraphQL `__type` introspection bypass via inline fragments when public introspection is disabled

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. From version 9.3.1-alpha.3 to before version 9.5.0-alpha.10, when graphQLPublicIntrospection is disabled, __type queries nested inside inline fragments (e.g. ... on Query { __type(name:"User") { name } }) bypass the introspection control, allowing unauthenticated users to perform type reconnaissance. __schema introspection is not affected. This issue has been patched in version 9.5.0-alpha.10.

CVSS 6.9 · Medium · EPSS 0.4% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • parse-server

    Versions
    • >= 9.3.1-alpha.3, < 9.5.0-alpha.10: Affected

    No fix published

  • parse-server npm

    Affected ranges
    • SEMVER: ≥ 9.3.1-alpha.3, < 9.5.0-alpha.10

    Update to 9.5.0-alpha.10

Original sources

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