CVE-2026-33508

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.56 and 9.6.0-alpha.45, Parse Server's LiveQuery component does not enforce the requestComplexity.queryDepth configuration setting when processing WebSocket subscription...

CVE-2026-33508

GitHub/GHSA-6QH5-M6G3-XHQ6 and OSV entry describe a vulnerability in Parse Server's LiveQuery: the LiveQuery subscription handler does not honor the requestComplexity.queryDepth limit for WebSocket subscriptions, allowing deeply nested logical operators to cause excessive recursion and CPU usage,...