Incorrect authorization in OpenClaw - #VU128760
Published: May 1, 2026
Vulnerability identifier: #VU128760
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenClaw
Affected software:
OpenClaw
OpenClaw
Detailed vulnerability description
The vulnerability allows a remote attacker to inject unauthorized system events.
The vulnerability exists due to incorrect authorization in Telegram message_reaction handling when processing reaction notifications. A remote attacker can send reaction updates from an unauthorized sender to inject unauthorized system events.
Only instances with reaction notifications enabled are vulnerable.
Remediation
Install security update from vendor's website.