OpenClaw before 2026.3.25 contains an authorization bypass vulnerability in Telegram callback query handling that allows attackers to mutate session state without satisfying normal DM pairing requirements. Remote attackers can exploit weaker callback-only authorization in direct messages to bypass DM pairing and modify session state.
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
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/269282ac69ab6030d5f30d04822668f607f…
disclosure@vulncheck.com
https://github.com/openclaw/openclaw/security/advisories/GHSA-j4c9-w69r-cw33
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/openclaw-telegram-dm-scoped-inline-button-…
disclosure@vulncheck.com