CVE-2026-109342

MEDIUM CVSS 4.0: 5.3 EPSS 0.28%
Updated Oct 15, 2026
Surrealdb
Parameter Value
CVSS 5.3 (MEDIUM)
Affected Versions 3.0.0 — 3.3.0
Fixed In 3.3.0
Type CWE-306 (Missing Authentication for Critical Function)
Vendor Surrealdb
Public PoC No

SurrealDB from 3.0.0 before 3.3.0 contains a missing authentication vulnerability in the revoke RPC method that allows low-privileged or unauthenticated callers to invalidate other users' refresh tokens without proof of possession. Attackers can obtain grant identifiers via ACCESS SHOW ALL with VIEWER permission or leaked tokens, then permanently revoke refresh tokens to force re-authentication.

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

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Surrealdb Surrealdb
cpe:2.3:a:surrealdb:surrealdb:*:*:*:*:*:*:*:*
3.0.0 3.3.0