CVE-2026-100540CWE-863broken-access-control

CVE-2026-100540

Medium · published September 26, 2026

CVSS v3.1
6.8
EPSS
0%
Percentile
13.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
7.6 · 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
EPSS
0.00232 · 13.3th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-09-26T07:16Z
References (2)
https://github.com/openclaw/openclaw/security/advisories/GHSA-h2qg-fxpv-82v6 · [email protected]https://www.vulncheck.com/advisories/openclaw-feishu-before-2026.8.1-authentication-bypass-via-disabled-account · [email protected]
EPSS history
Timeline
  • 27 SEP 03:24Z
    EPSS moved — → 0%
    epss
  • 26 SEP 02:18Z
    OpenClaw Feishu before 2026.8.1 Authentication Bypass via Disabled Account
    cvelistv5