Neo4j GraphQL up to 5.12.14/6.6.4/7.5.x Authentication improper authorization

Summaryinfo

A vulnerability was found in Neo4j GraphQL up to 5.12.14/6.6.4/7.5.x. It has been declared as critical. The impacted element is an unknown function of the component Authentication. Such manipulation leads to improper authorization. This vulnerability is listed as CVE-2026-19869. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Neo4j GraphQL up to 5.12.14/6.6.4/7.5.x and classified as critical. Affected by this issue is some unknown processing of the component Authentication. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. CVE summarizes:

@neo4j/graphql from 5.2.0 until the patched versions fails to enforce field-level @authentication rules on root custom-resolver fields when a type-level @authentication rule is also present on the same operation type. When both a type-level @authentication (on Query/Mutation) and a field-level @authentication (on a root custom-resolver field within that type) are declared, only the type-level rule is evaluated and the field-level rule is silently discarded. As a result a stricter per-field requirement — such as an admin-role JWT claim (jwt: { roles_INCLUDES: "admin" }) — is never checked, and any client that satisfies the coarser type-level requirement can invoke the more-restricted field. No token forgery is involved: a legitimately issued, correctly signed non-admin token (e.g. roles: ["user"]) is sufficient.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-19869 since 08/14/2026. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

Upgrading to version 5.12.15 or 7.6.0 eliminates this vulnerability.

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Productinfo

Vendor

• Neo4j

Name

• GraphQL

Version

• 5.12.0
• 5.12.1
• 5.12.2
• 5.12.3
• 5.12.4
• 5.12.5
• 5.12.6
• 5.12.7
• 5.12.8
• 5.12.9
• 5.12.10
• 5.12.11
• 5.12.12
• 5.12.13
• 5.12.14
• 6.6.0
• 6.6.1
• 6.6.2
• 6.6.3
• 6.6.4
• 7.0
• 7.1
• 7.2
• 7.3
• 7.4
• 7.5

Website

• Product: https://github.com/neo4j/graphql/

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