OpenClaw versions prior to 2026.2.14 contain an authorization bypass vulnerability where Telegram allowlist matching accepts mutable usernames instead of immutable numeric sender IDs. Attackers can spoof identity by obtaining recycled usernames to bypass allowlist restrictions and interact with bots as unauthorized senders.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No 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
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Openclaw Openclaw
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
|
— |
2026.2.14
|
References 4
https://github.com/openclaw/openclaw/commit/9e147f00b48e63e7be6964e0e2a97f29808…
disclosure@vulncheck.com
https://github.com/openclaw/openclaw/commit/e3b432e481a96b8fd41b91273818e514074…
disclosure@vulncheck.com
https://github.com/openclaw/openclaw/security/advisories/GHSA-mj5r-hh7j-4gxf
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/openclaw-identity-spoofing-via-mutable-use…
disclosure@vulncheck.com