Auth bypass in Surrealdb
CVE-2026-63752
SurrealDB before 3.1.0 contains an authorization bypass vulnerability in the RELATE statement that allows authenticated users with CREATE permission to overwrite existing edge records without UPDATE permission. Attackers can issue a RELATE statement with a SET id clause pointing to an existing edge id, causing the storage layer to silently overwrite the target record instead of rejecting the operation.
EPSS: 0.003 (20.1th percentile) — read the EPSS interpretation.
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:N/I:L/A:N.
Affected products
- Surrealdb — versions 0, 3.1.0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory, Mitigation, Vendor Advisory)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-63752?
- CVE-2026-63752 is a medium-severity vulnerability in Surrealdb, classified under Improper Authorization. CVSS score: 4.3/10. Published 2026-07-20.
- How severe is CVE-2026-63752?
- Medium severity. CVSS v3 base score is 4.3 out of 10.