CVE-2026-10802: keystonejs keystone GraphQL API Endpoint output-field.ts resource consumption

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-04 · updated 2026-07-22
Weakness: CWE-400

Description

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.

Affected products

keystonejs keystone: 20260319

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

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