What is CVE-2026-63742?

CVE-2026-63742 is a medium-severity vulnerability in Surrealdb, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-07-20.

How severe is CVE-2026-63742?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Surrealdb

CVE-2026-63742

SurrealDB versions before 3.1.0 contain a field-level SELECT permission bypass vulnerability in indexed COUNT fast paths. Attackers can execute COUNT queries on indexed fields with field-level SELECT restrictions to confirm or recover rest…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Surrealdb — versions 0, 3.1.0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

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

Frequently asked questions

What is CVE-2026-63742?: CVE-2026-63742 is a medium-severity vulnerability in Surrealdb, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-07-20.
How severe is CVE-2026-63742?: Medium severity. CVSS v3 base score is 4.3 out of 10.