CVE-2026-63759

EUVD-2026-45930
SurrealDB before 3.1.0 fails to enforce recursion depth limits in the type/kind parser when processing nested type annotations. Authenticated attackers can send queries with deeply nested type annotations to exhaust server memory and crash the process.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 37.61%
Affected Products (NVD)
VendorProductVersion
surrealdbsurrealdb
𝑥
< 3.1.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/surrealdb/surrealdb/security/advisories/GHSA-q8qp-67f9-wr3f
https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-nested-type-annotations