EUVD-2026-97605

Parse Server before 8.6.93 and 9.0.0 before 9.10.1-alpha.13 does not enforce identity-scoped protectedFields authenticated, role, or per-user groups on count queries using the $relatedTo operator, exposing the size of protected Relation fields. An authenticated user who can read the owning object...

CVE-2026-109303 Parse Server before 8.6.93 and 9.0.0 before 9.10.1-alpha.13 protectedFields Bypass via Relation Count Query

Parse Server before 8.6.93 and 9.0.0 before 9.10.1-alpha.13 does not enforce identity-scoped protectedFields authenticated, role, or per-user groups on count queries using the $relatedTo operator, exposing the size of protected Relation fields. An authenticated user who can read the owning object...

BIT-PARSE-2026-53726 Parse Server: Relation `$relatedTo` query bypasses `protectedFields` and owning-object ACL

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.80 and 9.9.1, a relation query using the $relatedTo operator could read the membership of a Relation field even when that field was hidden from the requesting client by...

Authorization Bypass Through User-Controlled Key

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 Authorization Bypass Through User-Controlled Key via the reduceRelationKeys and authorizeRelatedToQuery paths in...

CVE-2026-53726 Parse Server: Relation `$relatedTo` query bypasses `protectedFields` and owning-object ACL

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.80 and 9.9.1-alpha.6, a relation query using the $relatedTo operator could read the membership of a Relation field even when that field was hidden from the requesting clie...

CVE-2026-53726 Parse Server: Relation `$relatedTo` query bypasses `protectedFields` and owning-object ACL

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.80 and 9.9.1-alpha.6, a relation query using the $relatedTo operator could read the membership of a Relation field even when that field was hidden from the requesting clie...

PT-2026-48962

Name of the Vulnerable Software and Affected Versions Parse Server versions prior to 8.6.80 Parse Server versions prior to 9.9.1-alpha.6 Description A relation query using the $relatedTo operator allows an unauthenticated client to read the membership of a Relation field. This occurs even if the...

CVE-2026-53726: Authorization Bypass Through User-Controlled Key

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.80 and 9.9.1-alpha.6, a relation query using the $relatedTo operator could read the membership of a Relation field even when that field was hidden from the requesting clie...