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

Parse Server’s LiveQuery WebSocket subscription processing is vulnerable to a query depth bypass due to not enforcing the requestComplexity.queryDepth setting before versions 8.6.56 and 9.6.0-alpha.45. An attacker can submit a subscription with deeply nested logical operators, triggering recursio...