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CVE-2026-33498

Parse Server: Query condition depth bypass via pre-validation transform pipeline

CVSS 8.7 HIGHEPSS 0.5%CWE-674
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.55 and 9.6.0-alpha.44, an attacker can send an unauthenticated HTTP request with a deeply nested query containing logical operators to permanently hang the Parse Server process. The server becomes completely unresponsive and must be manually restarted. This is a bypass of the fix for CVE-2026-32944. This issue has been patched in versions 8.6.55 and 9.6.0-alpha.44.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Produtos afetados
parse-community · parse-server

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Referências
https://github.com/parse-community/parse-server/commit/2581b5426047ce9cbcd3d9c0e8379e9c30e23ab5https://github.com/parse-community/parse-server/commit/85994eff9e7b34cac7e1a2f5791985022a1461d1https://github.com/parse-community/parse-server/pull/10257https://github.com/parse-community/parse-server/pull/10258https://github.com/parse-community/parse-server/security/advisories/GHSA-9fjp-q3c4-6w3j