CVE-2026-43566
OpenClaw · OpenClaw
OpenClaw contains a privilege escalation vulnerability where heartbeat owner downgrade logic incorrectly skips webhook wake events, allowing attackers to maintain elevated privileges.
Executive summary
A critical privilege escalation vulnerability in OpenClaw allows attackers to maintain unauthorized elevated privileges by manipulating webhook wake events.
Vulnerability
The flaw exists in the heartbeat owner downgrade logic, which fails to correctly process webhook wake events containing untrusted content, allowing an attacker to bypass the downgrade process and retain higher-privileged execution contexts.
Business impact
With a CVSS score of 9.1, this vulnerability allows for unauthorized privilege escalation. An attacker could maintain long-term administrative or system-level access, leading to persistent compromise of the OpenClaw environment and potential data theft.
Remediation
Immediate Action: Update to the latest version of OpenClaw (2026.4.14 or later) as specified in the vendor security advisory.
Proactive Monitoring: Review system audit logs for anomalous privilege changes or unauthorized webhook event processing.
Compensating Controls: Implement strict ingress filtering for webhooks and ensure that only trusted sources can trigger wake events within the OpenClaw platform.
Exploitation status
Public Exploit Available: No
Analyst recommendation
Organizations using OpenClaw should consult the official vendor security advisory and apply the recommended patches immediately to address the privilege escalation flaw.