Field-Level Permission Bypass in SurrealDB by SurrealDB Inc.
CVE-2026-63742

5.3MEDIUM

Key Information:

Vendor

Surrealdb

Status
Surrealdb
Vendor
CVE Published:
20 July 2026

What is CVE-2026-63742?

SurrealDB versions prior to 3.1.0 contain a vulnerability that allows attackers to bypass field-level SELECT permissions. By exploiting this weakness, attackers can execute COUNT queries on indexed fields that should be restricted, enabling them to confirm or uncover sensitive field values through systematic guessing. This vulnerability highlights a significant risk for data confidentiality and integrity within applications relying on SurrealDB.

Affected Version(s)

surrealdb 0 < 3.1.0

surrealdb 3.1.0

References

https://github.com/surrealdb/surrealdb/security/advisorie...
vendor-advisory
https://www.vulncheck.com/advisories/surrealdb-before-fie...
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.