CVE-2026-100556

OpenClaw (npm package openclaw) versions >= 2026.5.2 and < 2026.8.1 contain an incorrect authorization vulnerability in WhatsApp group handling. A group sender who is admitted for ordinary messages but denied by commands.allowFrom or owner command authorization can issue the /new <model> command to reset the shared group session and persist a provider and model override. This allows a command-denied group member to select a provider and model already permitted by the operator for subsequent turns in the shared group session, potentially changing provider routing, cost, data flow, or availability. It does not allow adding a new provider or host command execution. The issue is fixed in version 2026.8.1.

• CWE-863

• https://github.com/openclaw/openclaw/security/advisories/GHSA-mm7m-wcgh-8mfq
• https://www.vulncheck.com/advisories/openclaw-before-2026.8.1-authentication-bypass-via-session-reset

Published

Sep 26, 2026

Last Modified

Sep 26, 2026

Status

Received

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