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CVE-2026-63421

⚠️ high
🔍 Scan for this CVE
Summary

Keystone is a content management system for Node.js. Prior to 6.5.3, the findMany resolver in packages/core/src/lib/core/queries/resolvers.ts compares the signed take argument directly with graphql.maxTake, allowing a remote unauthenticated GraphQL client to provide a negative take value whose magnitude exceeds the configured bound. The bypass also applies to relationship queries and can return more records than the developer intended, potentially exhausting service resources. This issue is fixe

Description

Keystone is a content management system for Node.js. Prior to 6.5.3, the findMany resolver in packages/core/src/lib/core/queries/resolvers.ts compares the signed take argument directly with graphql.maxTake, allowing a remote unauthenticated GraphQL client to provide a negative take value whose magnitude exceeds the configured bound. The bypass also applies to relationship queries and can return more records than the developer intended, potentially exhausting service resources. This issue is fixed in version 6.5.3.

CVSS Score
7.5
High
EPSS Score
0.5
Exploit Probability
Published Date
2026-08-21
First Seen: 2026-08-22
📊 Relative Risk Intelligence

This CVE is Moderate Risk - more severe than 68.0% of all 348,756 vulnerabilities in our database.

#111,664
Above average severity
Severity Percentile
Last Modified 2026-08-21
Source NVD 🔗
CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE IDs (Weakness Types)

📦 Affected Products 0

No affected products information available

🔗 References 4