Origin Validation Error Affecting parse-server package, versions >=3.5.0 <8.6.66>=9.0.0-alpha.1 <9.7.0-alpha.10


Severity

Recommended
0.0
medium
0
10

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  • Snyk IDSNYK-JS-PARSESERVER-15855397
  • published31 Mar 2026
  • disclosed30 Mar 2026
  • creditManuel

Introduced: 30 Mar 2026

NewCVE-2026-34373  (opens in a new tab)
CWE-346  (opens in a new tab)

How to fix?

Upgrade parse-server to version 8.6.66, 9.7.0-alpha.10 or higher.

Overview

parse-server is a version of the Parse backend that can be deployed to any infrastructure that can run Node.js.

Affected versions of this package are vulnerable to Origin Validation Error via the GraphQL API endpoint ignoring the configured CORS allowOrigin restriction. An attacker can interact with the API from unauthorized origins by sending cross-origin requests.

CVSS Base Scores

version 4.0
version 3.1