CVE-2026-63735 | SurrealDB versions before 3.2.0 fail to validate namespace a… | CVSS 8.1 HIGH

Description

SurrealDB versions before 3.2.0 fail to validate namespace and database scope in custom API routes, allowing authenticated users to invoke endpoints in different namespaces/databases. Attackers with valid credentials for any namespace/database can access custom API endpoints in other tenants by specifying the target scope in the URL path, reading sensitive data or triggering unintended operations.

Metadata

CVE ID: CVE-2026-63735
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-07-18 12:19 UTC
Published: 2026-07-20 12:04 UTC
Last updated: 2026-07-20 12:04 UTC
Primary CWE: CWE-639
Authorization Bypass Through User-Controlled Key
Vendor / Product: surrealdb / surrealdb
Sources: cve.org · NVD

Severity & Metrics

8.1 HIGH CVSS 3.1

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

Affected products (1)

Vendor	Product	Platform	Versions
surrealdb	surrealdb	—	0 < 3.2.0, 3.2.0

Weakness (CWE)

CWE	Source	Description
CWE-639	cna	Authorization Bypass Through User-Controlled Key

CVSS scores (2)

Score	Severity	Version	Source	Vector
8.6	HIGH	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
8.1	HIGH	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References (2)

GitHub Security Advisory (GHSA-848m-r628-vrxw) https://github.com/surrealdb/surrealdb/security/advisories/GHSA-848m-r628-vrxw
VulnCheck Advisory: SurrealDB before 3.2.0 Authentication Bypass via Custom API https://www.vulncheck.com/advisories/surrealdb-before-authentication-bypass-via-custom-api