CVE-2026-63737

SurrealDB versions before 3.1.5 contain a denial of service vulnerability where authenticated users can crash the server with queries containing long chains of operators. Attackers can submit queries with tens of thousands of chained operators that create unbounded expression trees, causing stack overflow during query processing and aborting the entire process.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/surrealdb/surrealdb/security/advisories/GHSA-jv2j-mqmw-xvv5
https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-via-deep-operator-chains

Configurations

No configuration.

History

20 Jul 2026, 12:19

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-20 12:19

Updated : 2026-07-20 15:16

NVD link : CVE-2026-63737

Mitre link : CVE-2026-63737

CVE.ORG link : CVE-2026-63737

JSON object : View

Products Affected

No product.

CWE

CWE-674

Uncontrolled Recursion

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