Authorization Bypass in SurrealDB Affects Data Security
CVE-2026-109336

5.3MEDIUM

Key Information:

Vendor

Surrealdb

Status
Surrealdb
Vendor
CVE Published:
12 October 2026

What is CVE-2026-109336?

SurrealDB, prior to version 3.3.0, contains a significant authorization bypass vulnerability that enables record users to circumvent field-level SELECT permissions. This flaw allows attackers to access restricted fields through LIVE SELECT projections. By utilizing the unreduced $after or $before parameters, unauthorized users can alias and retrieve exact values stored in CREATE, UPDATE, and DELETE notifications, undermining data integrity and privacy.

Affected Version(s)

surrealdb 0 < 3.3.0

surrealdb 3.3.0

References

https://github.com/surrealdb/surrealdb/security/advisorie...
vendor-advisory
https://www.vulncheck.com/advisories/surrealdb-before-3.3...
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

Credit

arbor-s
.