Authentication Bypass by Assumed-Immutable Data Affecting @neo4j/graphql package, versions >=5.0.0 <5.12.14>=6.0.0 <7.5.6
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-NEO4JGRAPHQL-18592356
- published8 Aug 2026
- disclosed6 Aug 2026
- creditUnknown
Introduced: 6 Aug 2026
NewCVE-2026-5423 (opens in a new tab)How to fix?
Upgrade @neo4j/graphql to version 5.12.14, 7.5.6 or higher.
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 access to subscription events by supplying a forged JWT object through a GraphQL-over-WebSocket connection.