Medium severity · published Sep 26, 2026
CVE-2026-100540
OpenClaw Feishu before 2026.8.1 Authentication Bypass via Disabled Account
6.8
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
feishu · openclaw
before 2026.8.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-100540
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-100540
vendor-advisory
https://github.com/openclaw/openclaw/security/advisories/GHSA-h2qg-fxpv-82v6
third-party-advisory
https://www.vulncheck.com/advisories/openclaw-feishu-before-2026.8.1-authentication-bypass-via-disabled-account
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