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CVE-2026-100540— OpenClaw Feishu before 2026.8.1 Authentication Bypass via Disabled Account

Quick assessment

Affected
openclaw feishu
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenClaw Feishu 在 2026 年 8 月 1 日之前的版本中，在为模型工具操作选择默认账户时，未验证该配置为默认的账户是否已被禁用。攻击者可以利用多账户环境，其中已禁用的默认账户仍保留其凭据，从而通过已撤销的身份读取或修改飞书资源。

CVSS 6.8 · Medium EPSS 0.23% · P13

Affected Version Matrix 2

VendorProduct Version RangeStatus
openclaw feishu < 2026.8.1 affected
2026.8.1 unaffected
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I. Basic Information for CVE-2026-100540

Vulnerability Information
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Vulnerability Title
OpenClaw Feishu before 2026.8.1 Authentication Bypass via Disabled Account
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
openclaw feishu 0 ~ 2026.8.1 -

II. Public POCs for CVE-2026-100540

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III. Intelligence Information for CVE-2026-100540

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Vendor Advisories for CVE-2026-100540 (2)

Same Patch Batch · openclaw · 2026-09-26 · 79 CVEs total

CVE-2026-100575 8.8 HIGH OpenClaw Slack before 2026.8.1 Authentication Bypass via Group DM
CVE-2026-100599 8.8 HIGH OpenClaw 2026.5.1 before 2026.7.1 Remote Code Execution via googlemeet.chrome
CVE-2026-100580 8.8 HIGH OpenClaw before 2026.7.1 Remote Code Execution via cron tool
CVE-2026-100586 8.8 HIGH OpenClaw Codex before 2026.7.1 Authorization Bypass via Bind
CVE-2026-100552 8.8 HIGH OpenClaw before 2026.8.1 Policy Bypass via Native Tools
CVE-2026-100544 8.8 HIGH openclaw voice-call before 2026.8.1 Authorization Bypass
CVE-2026-100587 8.8 HIGH OpenClaw before 2026.7.1 Authorization Bypass via Codex Install
CVE-2026-100596 8.8 HIGH OpenClaw before 2026.7.1 Authorization Bypass via MCP Configuration
CVE-2026-100551 8.3 HIGH OpenClaw iOS Control UI TLS Pin Enforcement Bypass
CVE-2026-100568 8.3 HIGH OpenClaw before 2026.8.1 Unauthorized Command Job Access
CVE-2026-100557 8.3 HIGH OpenClaw before 2026.8.1 Authorization Bypass via Skill Tool Dispatch
CVE-2026-100588 8.3 HIGH OpenClaw before 2026.7.1 Authentication Bypass via node.invoke
CVE-2026-100589 8.3 HIGH OpenClaw before 2026.7.1 Sandbox Bypass via Browser Node
CVE-2026-100567 8.2 HIGH OpenClaw before 2026.8.1 DNS Rebinding via CDP Hostname
CVE-2026-100532 8.1 HIGH openclaw WhatsApp before 2026.8.1 Authentication Bypass
CVE-2026-100585 8.0 HIGH OpenClaw before 2026.7.1 Authentication Bypass via MCP Channel
CVE-2026-100559 8.0 HIGH OpenClaw before 2026.8.1 Command Injection via Escaped Newlines
CVE-2026-100561 8.0 HIGH OpenClaw before 2026.8.1 Authentication Bypass via Exec Wrapper
CVE-2026-100570 7.8 HIGH OpenClaw before 2026.8.1 Remote Code Execution via CLOUDSDK_PYTHON_ARGS
CVE-2026-100597 7.8 HIGH OpenClaw before 2026.7.1 Path Traversal via Filesystem Race

Showing top 20 of 79 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: feishu
Same vendor: openclaw
Same weakness: CWE-863

V. Comments for CVE-2026-100540

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