OpenClaw Slack versions before 2026.8.1 fail to properly enforce sender allowlists in multi-person direct messages. Disallowed participants can trigger Slack agents and access tools and data granted to those agents by bypassing configured sender policies.
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
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
openclaw:slack