OpenClaw before 2026.3.13 contains an information disclosure vulnerability in the fetchRemoteMedia function that exposes Telegram bot tokens in error messages. When media downloads fail, the original Telegram file URLs containing bot tokens are embedded in MediaFetchError strings and leaked to logs and error surfaces.
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
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 3
https://github.com/openclaw/openclaw/commit/7a53eb7ea8295b08be137e231c9a98c1a79…
disclosure@vulncheck.com
https://github.com/openclaw/openclaw/security/advisories/GHSA-xwcj-hwhf-h378
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/openclaw-telegram-bot-token-exposure-in-me…
disclosure@vulncheck.com