CVE-2026-63743
SurrealDB before 3.1.0 Port-Specific Deny Rule Bypass via HTTP Redirect
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-918 |
| Vendor | surrealdb |
| Product | surrealdb |
| Published | Jul 20, 2026 |
| Last Updated | Jul 20, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
surrealdb / surrealdb
0 < 3.1.0