CVE-2026-5423
Review this vulnerability's source-backed evidence, with unavailable values and read failures kept distinct.
A permanent, source-backed tracker page. Values are shown only when returned; explicit gaps and read failures remain different states.
Detection and validation
Mapped metadata availability only. These signals do not change priority.
Sigma
Not mapped by tracked sources.
Atomic
Not mapped by tracked sources.
Nuclei
Not mapped by tracked sources.
What it is
Reported@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 JWT claims (e.g. sub, roles) in connectionParams.jwt and have them accepted as authenticated identity for the purposes of @authentication and @subscriptionsAuthorization directive evaluation.…
Source reported · Source: NVD · Source last published: · Source description excerpt; complete tracked detail loads below. · Source last updated:
What is affected
Reportedneo4j; graphql. Product-level identification only; no affected-version conclusion is available from this field.
Source reported · Source: NVD · Source last published: · Source last updated:
Urgency and basis
ReportedTrack · 120.8
Tracker computed · Tracker decision tier from the evidence detailed below · Source last updated:
Exploitation evidence
Not reportedNot reported by tracked sources.
What to do
ReportedA source remediation link is available. Validate that guidance against the affected product and your environment.
Source remediation ↗Source reported · Tracked source remediation field · Source last updated:
Evidence detail
Loading the full tracker evidence record…