Authentication Bypass by Assumed-Immutable Data

Overview @neo4j/graphql is an A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations Affected versions of this package are vulnerable to Authentication Bypass by Assumed-Immutable Data in the connectionParams.jwt process. An attacker can gain unauthorized acces...

CVE-2026-5423

@neo4j/graphql library versions prior to 7.5.6 fail to verify the authenticity of a client-supplied, pre-decoded JWT object passed through GraphQL subscription connectionParams. As a result, any unauthenticated remote client that can open a GraphQL-over-WebSocket connection can forge arbitrary JW...

CVE-2026-67856

An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via crafted CreateSubscription, CreateMonitoredItemsSampling, Publish, TransferSubscriptions, and DeleteSubscriptions requests...