CVE-2026-109340

MEDIUM CVSS 4.0: 5.3 EPSS 0.24%
Updated Oct 13, 2026
SurrealDB
Parameter Value
CVSS 5.3 (MEDIUM)
Affected Versions before 3.3.0
Type CWE-862 (Missing Authorization)
Vendor SurrealDB
Public PoC No

SurrealDB from 3.1.0 before 3.3.0 contains an authorization bypass vulnerability that allows authenticated users to delete protected graph edges by triggering a REFERENCE ON DELETE CASCADE. Attackers with delete permission on a referenced table can delete a record whose cascade disables permission checks for edge cleanup, erasing edges despite the edge table's PERMISSIONS FOR delete clause.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0