EUVD-2026-110509

Parse Server before 8.6.105 and 9.0.0 before 9.10.5-alpha.6 does not validate the owning object reference in $relatedTo relation queries, so supplying a query operator instead of an object ID bypasses the owning-object ACL check. A client with read access to at least one object of the owning clas...

CVE-2026-116801

Parse Server before 8.6.105 and 9.0.0 before 9.10.5-alpha.6 does not validate the owning object reference in $relatedTo relation queries, so supplying a query operator instead of an object ID bypasses the owning-object ACL check. A client with read access to at least one object of the owning clas...

Parse Platform parse-server input validation error vulnerability

Versions of Parse Platform prior to 8.6.105 and versions prior to 9.10.5-alpha.6 contain an input validation error vulnerability. This vulnerability arises from the lack of validation of object references in $relatedTo queries; using query operators instead of object IDs can bypass object ACL...

CVE-2026-116801 Parse Server 9.0.0 before 9.10.5-alpha.6 ACL Bypass via $relatedTo Query

Parse Server before 8.6.105 and 9.0.0 before 9.10.5-alpha.6 does not validate the owning object reference in $relatedTo relation queries, so supplying a query operator instead of an object ID bypasses the owning-object ACL check. A client with read access to at least one object of the owning clas...

CVE-2026-116801

Parse Server versions before 8.6.105 and 9.0.0 before 9.10.5-alpha.6 are vulnerable to an ACL Bypass via $relatedTo relation queries. The flaw exists because the system fails to validate the owning object reference, allowing an attacker to supply a query operator instead of an object ID. This ena...

CVE-2026-116801 Parse Server 9.0.0 before 9.10.5-alpha.6 ACL Bypass via $relatedTo Query

Parse Server before 8.6.105 and 9.0.0 before 9.10.5-alpha.6 does not validate the owning object reference in $relatedTo relation queries, so supplying a query operator instead of an object ID bypasses the owning-object ACL check. A client with read access to at least one object of the owning clas...

CVE-2026-116801

Parse Server before 8.6.105 and 9.0.0 before 9.10.5-alpha.6 does not validate the owning object reference in $relatedTo relation queries, so supplying a query operator instead of an object ID bypasses the owning-object ACL check. A client with read access to at least one object of the owning clas...

CVE-2026-116801 Parse Server 9.0.0 before 9.10.5-alpha.6 ACL Bypass via $relatedTo Query

Parse Server before 8.6.105 and 9.0.0 before 9.10.5-alpha.6 does not validate the owning object reference in $relatedTo relation queries, so supplying a query operator instead of an object ID bypasses the owning-object ACL check. A client with read access to at least one object of the owning clas...

PT-2026-125507

Parse Server before 8.6.105 and 9.0.0 before 9.10.5-alpha.6 does not validate the owning object reference in $relatedTo relation queries, so supplying a query operator instead of an object ID bypasses the owning-object ACL check. A client with read access to at least one object of the owning clas...

PT-2026-117562

Parse Server before 8.6.93 and 9.0.0 before 9.10.1 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 can...

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...

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...

CVE-2026-109303: Authorization Bypass Through User-Controlled Key

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...

PT-2026-110720

Name of the Vulnerable Software and Affected Versions Parse Server versions prior to 8.6.93 Parse Server versions 9.0.0 through 9.10.1-alpha.12 Description Identity-scoped protectedFields including authenticated, role, or per-user groups are not enforced on count queries that utilize the $related...

Parse Platform Parse Server Authorization Vulnerability

The Parse Platform, versions prior to 8.6.93 and 9.0.0 up to 9.10.1-alpha.13, have an authorization issue vulnerability. This vulnerability stems from the lack of enforcing the identity scope’s protectedFields during count queries using the $relatedTo operator. As a result, the size of the...

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 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...