Vulnerability · Published Jul 20, 2026 · Assigned by VulnCheck
CVE-2026-63759SurrealDB before 3.1.0 Denial of Service nested type annotations
Medium 6.5
In plain English
A medium-severity security flaw in surrealdb from surrealdb. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.4%top 60.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-674 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References
- GitHub Security Advisory (GHSA-q8qp-67f9-wr3f) vendor-advisory
- VulnCheck Advisory: SurrealDB before 3.1.0 Denial of Service nested type annotations third-party-advisory