Missing Authorization in OpenClaw - #VU126429
Published: April 17, 2026
Vulnerability identifier: #VU126429
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenClaw
Affected software:
OpenClaw
OpenClaw
Detailed vulnerability description
The vulnerability allows a remote user to bypass sender authorization checks.
The vulnerability exists due to improper access control in the Microsoft Teams SSO invoke handler when processing signin invoke requests. A remote user can send a crafted invoke from a disallowed sender to bypass sender authorization checks.
The issue affects SSO signin invoke handling, while normal message handling applies sender allowlist checks.
Remediation
Install security update from vendor's website.