GHSA-9xp9-j92r-p88v: Parse Server crash via deeply nested query condition operators

March 17, 2026

An unauthenticated attacker can crash the Parse Server process by sending a single request with deeply nested query condition operators. This terminates the server and denies service to all connected clients.

References

github.com/advisories/GHSA-9xp9-j92r-p88v
github.com/parse-community/parse-server
github.com/parse-community/parse-server/pull/10202
github.com/parse-community/parse-server/pull/10203
github.com/parse-community/parse-server/security/advisories/GHSA-9xp9-j92r-p88v

Code Behaviors & Features

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