CVE-2026-63759 | SurrealDB before 3.1.0 fails to enforce recursion depth limi… | CVSS 6.5 MEDIUM

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.

Metadata

CVE ID: CVE-2026-63759
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-07-18 12:30 UTC
Published: 2026-07-20 12:04 UTC
Last updated: 2026-07-20 12:04 UTC
Primary CWE: CWE-674
Uncontrolled Recursion
Vendor / Product: surrealdb / surrealdb
Sources: cve.org · NVD

Severity & Metrics

6.5 MEDIUM CVSS 3.1

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

Affected products (1)

Vendor	Product	Platform	Versions
surrealdb	surrealdb	—	0 < 3.1.0, 3.1.0

Weakness (CWE)

CWE	Source	Description
CWE-674	cna	Uncontrolled Recursion

CVSS scores (2)

Score	Severity	Version	Source	Vector
7.1	HIGH	4.0	cna	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
6.5	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References (2)

GitHub Security Advisory (GHSA-q8qp-67f9-wr3f) https://github.com/surrealdb/surrealdb/security/advisories/GHSA-q8qp-67f9-wr3f
VulnCheck Advisory: SurrealDB before 3.1.0 Denial of Service nested type annotations https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-nested-type-annotations