---
id: CVE-2026-100540
title: >-
  OpenClaw Feishu before 2026.8.1 fails to validate whether a configured default
  account is disabled before selecting it for model tool operations
summary: >-
  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
  credent…
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-863
vendor: openclaw
product: feishu
affected:
  - feishu < 2026.8.1
published: '2026-09-26'
updated: '2026-09-26'
sourceUpdated: '2026-09-26T03:16:59.833'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-100540'
references:
  - url: >-
      https://github.com/openclaw/openclaw/security/advisories/GHSA-h2qg-fxpv-82v6
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/openclaw-feishu-before-2026.8.1-authentication-bypass-via-disabled-account
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-26T03:25:24.678Z'
---

## Overview

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

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.