OpenClaw before 2026.3.25 contains an authorization bypass vulnerability where group reaction events bypass the requireMention access control mechanism. Attackers can trigger reactions in mention-gated groups to enqueue agent-visible system events that should remain restricted.
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
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 3
https://github.com/openclaw/openclaw/commit/f8c98630785288cc1f1d0893503ef3b653a…
disclosure@vulncheck.com
https://github.com/openclaw/openclaw/security/advisories/GHSA-mw7w-g3mg-xqm7
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/openclaw-authorization-bypass-in-group-rea…
disclosure@vulncheck.com