Information Exposure Affecting parse-server package, versions <8.6.54>=9.0.0 <9.6.0-alpha.43


Severity

Recommended
0.0
medium
0
10

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  • Snyk IDSNYK-JS-PARSESERVER-15757706
  • published23 Mar 2026
  • disclosed20 Mar 2026
  • creditrestriction

Introduced: 20 Mar 2026

NewCVE-2026-33429  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade parse-server to version 8.6.54, 9.6.0-alpha.43 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 Information Exposure via the watch parameter in LiveQuery subscriptions targeting protected fields. An attacker can infer changes to protected fields by observing the presence or absence of update events, effectively revealing sensitive information about those fields without direct access.

CVSS Base Scores

version 4.0
version 3.1