OpenClaw versions prior to 2026.2.26 contain an authorization bypass vulnerability where Signal group allowlist policy incorrectly accepts sender identities from DM pairing-store approvals. Attackers can exploit this boundary weakness by obtaining DM pairing approval to bypass group allowlist checks and gain unauthorized group access.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
Active
User action required
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Openclaw Openclaw
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
|
— |
2026.2.26
|
References 4
https://github.com/openclaw/openclaw/commit/64de4b6d6ae81e269ceb4ca16f53cda99ce…
disclosure@vulncheck.com
https://github.com/openclaw/openclaw/commit/8bdda7a651c21e98faccdbbd73081e79cff…
disclosure@vulncheck.com
https://github.com/openclaw/openclaw/security/advisories/GHSA-wm8r-w8pf-2v6w
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/openclaw-authorization-bypass-via-dm-pairi…
disclosure@vulncheck.com