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Vulnerability Intelligence Report
Microsoft UFO WebSocket role spoofing allows authenticated peer task hijacking

CVE-2026-46414

Microsoft UFO open-source framework for intelligent automation across devices and platforms. In 3.0.1-4-ge2626659, Microsoft UFO's WebSocket control plane trusts client-supplied identity and role fields in task messages. A client connection can register as a normal device, but later send a TASK message claiming client_type="constellation" and target_id=<victim-device-id>. The server trusts the role and target values from the wire message rather than enforcing the role registered for that WebSocket connection. As a result, any authenticated WebSocket client with the shared server token can spoof the higher-privilege constellation role and dispatch attacker-controlled tasks to another connected device. The same client registry also allows duplicate client_id registration, overwriting an existing live client's stored websocket, role, and task protocol. This is an authenticated WebSocket role/identity spoofing issue leading to peer task hijacking.

No Active Exploit Signals
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
EPSS Probability:0.50%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Weaknesses (CWE)

CWE-290 ↗CWE-290: Authentication Bypass by Spoofing
CWE-639 ↗CWE-639: Authorization Bypass Through User-Controlled Key
CWE-862 ↗CWE-862: Missing Authorization

Affected Products & Versions

Vendor Product Affected Versions
microsoft UFO 3.0.1-4-ge2626659 (affected)

References & Technical Advisories

No reference links found.

Threat Intelligence Signals

EPSS Score
0.502%

Identity & Timeline

StatusPUBLISHED
Assigning AuthorityGitHub, Inc. · Vendor · USA
Reserved2026-05-13T21:04:10
Published2026-05-27T21:54:51
Last Updated2026-06-02T16:17:43

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