CVE-2026-63759

high

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.

References

https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-nested-type-annotations

https://github.com/surrealdb/surrealdb/security/advisories/GHSA-q8qp-67f9-wr3f

Details

Source: Mitre, NVD

Published: 2026-07-20

Updated: 2026-07-20

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

CVSS v4

Base Score: 7.1

Vector: 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

Severity: High