Is CVE-2026-100540 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-100540?

CVE-2026-100540 has a CVSS v3 severity of MEDIUM (6.8).

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CVE-2026-100540

Description

OpenClaw Feishu before 2026.8.1 fails to validate whether a configured default account is disabled before selecting it for model tool operations. Attackers can exploit multi-account setups where a disabled default account retains credentials to read or modify Feishu resources through a revoked identity.