CVE-2026-109303

Parse Server versions before 8.6.93 and 9.0.0 before 9.10.1-alpha.13 contain a vulnerability where the system fails to enforce identity-scoped protectedFields (such as authenticated, role, or per-user groups) during count queries using the $relatedTo operator. This flaw allows an authenticated us...

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-2026-34595: Access of Resource Using Incompatible Type

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.70 and 9.7.0-alpha.18, an authenticated user with find class-level permission can bypass the protectedFields class-level permission setting on LiveQuery subscriptions. By...