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CVE-2026-10802 keystonejs CVE debrief

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.

Vendor
keystonejs
Product
keystone
CVSS
LOW 2.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-04
Original CVE updated
2026-06-04
Advisory published
2026-06-04
Advisory updated
2026-06-04

Who should care

Users of keystonejs keystone up to 20260319

Technical summary

The 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.

Defensive priority

LOW

Recommended defensive actions

  • Apply the fix from https://github.com/keystonejs/keystone/pull/9831
  • Review and consider applying patches from https://github.com/keystonejs/keystone/issues/9789

Evidence notes

The vulnerability has a CVSS score of 2.1 and is classified as LOW severity.

Official resources

Publicly disclosed