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	Vendor Advisory Mitigation
https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-via-deep-operator-chains	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:surrealdb:surrealdb:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-07-20 12:19

Updated : 2026-07-22 15:50

NVD link : CVE-2026-63737

Mitre link : CVE-2026-63737

CVE.ORG link : CVE-2026-63737

JSON object : View

Products Affected

surrealdb

surrealdb

CWE

CWE-674

Uncontrolled Recursion

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