A vulnerability was detected in keystonejs keystone up to 20260319. This vulnerability affects unknown code in the library packages/core/src/lib/core/queries/output-field.ts of the component GraphQL API Endpoint. The manipulation results in resource consumption. It is possible to launch the attack remotely. The exploit is now public and may be used. The pull request to fix this issue awaits acceptance.
Weakness
The product does not properly control the allocation and maintenance of a limited resource.
Potential Mitigations
Mitigation of resource exhaustion attacks requires that the target system either:
The first of these solutions is an issue in itself though, since it may allow attackers to prevent the use of the system by a particular valid user. If the attacker impersonates the valid user, they may be able to prevent the user from accessing the server in question.
The second solution is simply difficult to effectively institute – and even when properly done, it does not provide a full solution. It simply makes the attack require more resources on the part of the attacker.
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/147.html
- https://cwe.mitre.org/data/definitions/227.html
- https://cwe.mitre.org/data/definitions/492.html
References
- https://gist.github.com/nedlir/0431275665076772844ebfe5167e54f6
- https://github.com/keystonejs/keystone/
- https://github.com/keystonejs/keystone/issues/9789
- https://github.com/keystonejs/keystone/pull/9831
- https://vuldb.com/cve/CVE-2026-10802
- https://vuldb.com/submit/831461
- https://vuldb.com/vuln/368251
- https://vuldb.com/vuln/368251/cti