What is CVE-2026-63735?

CVE-2026-63735 is a high-severity vulnerability in Surrealdb, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2026-07-20.

How severe is CVE-2026-63735?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Surrealdb

CVE-2026-63735

SurrealDB versions before 3.2.0 fail to validate namespace and database scope in custom API routes, allowing authenticated users to invoke endpoints in different namespaces/databases. Attackers with valid credentials for any namespace/data…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Surrealdb — versions 0, 3.2.0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

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

Frequently asked questions

What is CVE-2026-63735?: CVE-2026-63735 is a high-severity vulnerability in Surrealdb, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2026-07-20.
How severe is CVE-2026-63735?: High severity. CVSS v3 base score is 8.1 out of 10.