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TI-2026-09270 Aliases CVE-2026-10802GHSA-45jq-c8xm-jfw9

keystonejs keystone GraphQL API Endpoint output-field.ts resource consumption

Priority MEDIUM 57CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-400.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0031 23rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
keystonejskeystone20260319—No fix listedCNA
—@keystone-6/core (npm)up to 6.5.3—No fix listedGHSA-45jq-c8xm-jfw9
  • keystone Vendorkeystonejs Affected 20260319 Fixed in — No fix listed CNA
  • @keystone-6/core (npm) Vendor— Affected up to 6.5.3 Fixed in — No fix listed GHSA-45jq-c8xm-jfw9

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:keystonejs:keystone:*:*:*:*:*:*:*:*——keystonejs
  • cpe:2.3:a:keystonejs:keystone:*:*:*:*:*:*:*:* Versions — — ·keystonejs

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-10802
  2. 2026-10-03 Alias added: GHSA-45jq-c8xm-jfw9

References

  • TI-2022-18756 NODE_ENV in Keystone defaults to development with esbuild CVSS 3.1CRITICAL 9.8
  • TI-2022-18698 @keystone-6/core vulnerable to field-level access-control bypass for multiselect field CVSS 3.1CRITICAL 9.8
  • TI-2017-11626 CSV Injection (aka Excel Macro Injection or Formula Injection) exists in… CVSS 3.0HIGH 8.8
  • TI-2022-11852 An arbitrary file upload vulnerability in the file upload module of Keystone v4.2.1… CVSS 3.1CRITICAL 9.8
  • TI-2017-12181 KeystoneJS before 4.0.0-beta.7 allows application-wide CSRF bypass by removing the CSRF… CVSS 3.0HIGH 8.8
  • TI-2026-45200 Keystone: `graphql.maxTake` bypass with negative `take` CVSS 3.1HIGH 7.5
See all 15 →

Sources