CVE-2026-63737
SurrealDB before 3.1.5 Denial of Service via deep operator chains
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-674 |
| Vendor | surrealdb |
| Product | surrealdb |
| Published | Jul 20, 2026 |
| Last Updated | Jul 20, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
surrealdb / surrealdb
3.0.0 < 3.1.5