CVE-2026-63737
SurrealDB before 3.1.5 Denial of Service via deep operator chains
- State
- Published
- Severity
- 7.1 High
- Published
- Jul 20, 2026
- Updated
- Jul 28, 2026
- Reserved
- Jul 18, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-674 Uncontrolled Recursion
Affected Products
| Product | Versions |
|---|---|
surrealdbsurrealdb |
|
References
- GitHub Security Advisory (GHSA-jv2j-mqmw-xvv5)vendor-advisory
- VulnCheck Advisory: SurrealDB before 3.1.5 Denial of Service via deep operator chainsthird-party-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.