Security Advisory

CVE-2026-63743

6.4
MEDIUM

Vulnerability Description

SurrealDB before 3.1.0 contains a capability bypass vulnerability in HTTP redirect handling that allows authenticated users to circumvent port-scoped --deny-net rules. Attackers can chain an HTTP redirect from an allowed hostname to a denied host:port combination, and the redirect is followed because the port information is dropped during redirect policy evaluation.
Published Date July 20, 2026
Official Source NIST NVD Advisory