CVE-2026-63737
MEDIUMSurrealDB before 3.1.5 Denial of Service via deep operator chains
Title source: cnaDescription
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.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-jv2j-mqmw-xvv5)
https://github.com/surrealdb/surrealdb/security/advisories/GHSA-jv2j-mqmw-xvv5
Third Party Advisory third-party-advisory
VulnCheck Advisory: SurrealDB before 3.1.5 Denial of Service via deep operator chains
https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-via-deep-operator-chains
Scores
CVSS v3
6.5
EPSS
0.0035
EPSS Percentile
27.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-674
Status
published
Products (2)
surrealdb/surrealdb
3.0.0 - 3.1.5 (2 CPE variants)
surrealdb/surrealdb
3.1.5
Published
Jul 20, 2026
Tracked Since
Jul 20, 2026