What is CVE-2026-63743?

CVE-2026-63743 is a medium-severity vulnerability in Surrealdb, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.4/10. Published 2026-07-20.

How severe is CVE-2026-63743?

Medium severity. CVSS v3 base score is 6.4 out of 10.

SSRF in Surrealdb

CVE-2026-63743

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 deni…

Vulnerability class: SSRF (Server-Side Request Forgery)

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Surrealdb — versions 0, 3.1.0

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-63743?: CVE-2026-63743 is a medium-severity vulnerability in Surrealdb, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.4/10. Published 2026-07-20.
How severe is CVE-2026-63743?: Medium severity. CVSS v3 base score is 6.4 out of 10.