CVE-2026-100540

OpenClaw Feishu before 2026.8.1 Authentication Bypass via Disabled Account

Published Sep 26, 2026 CVSS 4.0 · 7.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title OpenClaw Feishu before 2026.8.1 Authentication Bypass via Disabled Account
First Time appeared Openclaw
Openclaw openclaw\/feishu
Weaknesses CWE-863
CPEs cpe:2.3:a:openclaw:openclaw\/feishu:*:*:*:*:*:*:*:*
Vendors & Products Openclaw
Openclaw openclaw\/feishu
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 7.6, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 8, 2026, 3:21 PM
Reserved
Sep 26, 2026, 1:01 AM
Status
Deferred
Published
Sep 26, 2026, 3:16 AM
Modified
Oct 8, 2026, 4:16 PM