Security Advisory

CVE-2026-34373

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-31 14:38:16

Last updated 2026-03-31 17:23:43

Assigner GitHub_M

State PUBLISHED

Description

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.66 and 9.7.0-alpha.10, the GraphQL API endpoint does not respect the allowOrigin server option and unconditionally allows cross-origin requests from any website. This bypasses origin restrictions that operators configure to control which websites can interact with the Parse Server API. The REST API correctly enforces the configured allowOrigin restriction. This issue has been patched in versions 8.6.66 and 9.7.0-alpha.10.

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