[ CVE-2026-100534 · Published 26 Sep 2026 ]

Vulnerability in OpenClaw

CVSS 3.1 EPSS <1%No fix listed yet

[ Description ]Official description

OpenClaw versions before 2026.8.1 contain an authorization bypass vulnerability in webhook TaskFlow cancellation that allows attackers to cancel unrelated sessions. An attacker with a webhook route secret can supply an arbitrary child session key to cancel ACP or subagent work outside the route's configured authority.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.