Resource Consumption Vulnerability in KeystoneJS GraphQL API Endpoint
CVE-2026-10802

5.3MEDIUM

Key Information:

Vendor

Keystonejs

Status
Keystone
Vendor
CVE Published:
4 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-10802?

A vulnerability present in KeystoneJS affects the GraphQL API Endpoint due to issues in the output-field.ts file. This flaw enables attackers to consume resources, which can lead to a denial of service. As the attack can be carried out remotely, it poses a significant risk. The exploit is publicly known, and efforts to resolve the issue are ongoing, with a pull request submitted for patch acceptance.

Affected Version(s)

keystone 20260319

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-10802 - Proof of Concept

References

https://vuldb.com/vuln/368251
vdb-entry
https://vuldb.com/vuln/368251/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-10802
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

nedlir (VulDB User)
VulDB CNA Team
.