OpenClaw versions before 2026.8.1 contain an authorization bypass vulnerability in the sessions.create endpoint that allows operator.write callers to modify session configurations reserved for operator.admin scope. Attackers with write-scoped credentials can change existing session model, provider, thinking level, and auth-profile settings to redirect traffic and bypass administrative access controls.
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
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v4.0