CVE-2026-63741: SurrealDB before 3.1.0 Authentication Bypass via USE statement

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-20 · updated 2026-07-23
Weakness: CWE-862

Description

SurrealDB versions before 3.1.0 fail to validate DEFINE NAMESPACE or DEFINE DATABASE permissions when processing USE NS and USE DB statements. Unauthenticated attackers can create arbitrary namespaces and databases by issuing USE commands, bypassing authorization checks in the RPC use method and SurrealQL executor.

Affected products

surrealdb: before 3.1.0 — fixed in 3.1.0

How to fix

Upgrade to a fixed version: surrealdb 3.1.0. Check the vendor advisory for mitigations.

References

https://github.com/surrealdb/surrealdb/security/advisories/GHSA-wp87-mgvq-5j93
https://www.vulncheck.com/advisories/surrealdb-before-authentication-bypass-via-use-statement

Get alerted when CVE-2026-63741 or the next vulnerability affects your stack