CVE-2026-63743

Medium

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.

SeverityMedium

CVSS6.4

Exploit probability—

ProductSurrealdb

PublishedJul 20, 2026

First seenJul 20, 2026

Weakness typeCWE-918Server-side request forgery (SSRF)

How to fix

Update

surrealdb surrealdb3.1.0 or later

Vendor advisories

github.com/surrealdb/surrealdb/security/advisories/GHSA-97vg-427p-8hx5

Affected products

Product	Affected versions	Fixed in
surrealdb surrealdb	v < 3.1.0	3.1.0

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