CVE-2026-63737

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

6.5 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H                                    

Vulnerability Description

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.

Vulnerability Details

Published Date

July 20, 2026

Last Modified

July 20, 2026

CWE ID

CWE-674

Source

NVD

Vendor

surrealdb

Product

surrealdb

External References

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

CVE-2026-63737

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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