Information Exposure Affecting parse-server package, versions <8.6.54>=9.0.0 <9.6.0-alpha.43
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-JS-PARSESERVER-15757706
- published23 Mar 2026
- disclosed20 Mar 2026
- creditrestriction
Introduced: 20 Mar 2026
CVE-2026-33429 (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.