What is CVE-2026-63745?

CVE-2026-63745 is a medium-severity vulnerability in Surrealdb, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.4/10. Published 2026-07-20.

How severe is CVE-2026-63745?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in Surrealdb

CVE-2026-63745

SurrealDB versions before 3.1.0 contain an authorization bypass vulnerability where authenticated users can spoof composite record-id field values by writing to editable body fields. Attackers can bypass permission rules that gate access o…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Surrealdb — versions 0, 3.1.0

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-2026-63745?: CVE-2026-63745 is a medium-severity vulnerability in Surrealdb, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.4/10. Published 2026-07-20.
How severe is CVE-2026-63745?: Medium severity. CVSS v3 base score is 5.4 out of 10.