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CVE-2026-45322— OS Command Injection in Microsoft UFO Shell Action Replay via Stored Session JSON

Quick assessment

Affected
microsoft UFO
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

UFO³是Microsoft开源的一个跨设备协作的多智能体任务编排工具。 UFO³ v3.0.0及之前版本存在操作系统命令注入漏洞，该漏洞源于ShellReceiver.run_shell()将动作参数字符串直接传递给subprocess.Popen()使用shell=True和executable=powershell.exe执行，可能导致攻击者通过写入或修改会话JSON文件植入shell动作执行任意命令。

CVSS 7.8 · High EPSS 2.12% · P81

Affected Version Matrix 1

VendorProduct Version RangeStatus
microsoft UFO <= 3.0.0 affected
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I. Basic Information for CVE-2026-45322

Vulnerability Information
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Vulnerability Title
OS Command Injection in Microsoft UFO Shell Action Replay via Stored Session JSON
Source: CVE Program / CVE List V5
Vulnerability Description
Microsoft UFO open-source framework for intelligent automation across devices and platforms. Microsoft UFO tagged releases up to and including v3.0.0 contain an OS command injection vulnerability in the shell action replay path. In affected releases, ShellReceiver.run_shell() passes a command string from action parameters directly to subprocess.Popen() with shell=True and executable=powershell.exe. The same shell-execution behavior is also reachable through ShellReceiver.execute_command(). The shell receiver is invoked by action classes such as RunShellCommand.execute() and ExecuteCommand.execute(), which forward stored action parameters to the shell receiver. Because UFO stores planned and executed actions in per-session JSON records, an attacker who can write or modify a session/action JSON file can plant a shell action. When the session is resumed or replayed, UFO executes the attacker's command as the UFO process user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
UFO³ 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UFO³是Microsoft开源的一个跨设备协作的多智能体任务编排工具。 UFO³ v3.0.0及之前版本存在操作系统命令注入漏洞，该漏洞源于ShellReceiver.run_shell()将动作参数字符串直接传递给subprocess.Popen()使用shell=True和executable=powershell.exe执行，可能导致攻击者通过写入或修改会话JSON文件植入shell动作执行任意命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
microsoft UFO <= 3.0.0 -

II. Public POCs for CVE-2026-45322

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 9470 chars
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In-depth vulnerability mechanism
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Full executable POC code
Exploit chain & mitigation
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III. Intelligence Information for CVE-2026-45322

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Vendor Advisories for CVE-2026-45322 (1)

Same Patch Batch · microsoft · 2026-05-27 · 6 CVEs total

CVE-2026-46414 8.8 HIGH Microsoft UFO WebSocket role spoofing allows authenticated peer task hijacking
CVE-2026-46402 8.1 HIGH Microsoft UFO uses untrusted task_name in log paths, allowing authenticated path traversal
CVE-2026-46416 6.3 MEDIUM Microsoft UFO shared WebSocket handler state causes cross-client response hijacking
CVE-2026-46538 5.9 MEDIUM Microsoft UFO accepts cross-device TASK_END messages by session_id only, allowing peer tas
CVE-2026-46544 5.3 MEDIUM Microsoft UFO reuses client-supplied WebSocket session IDs and replays stale task results

IV. Related Vulnerabilities

Same product: UFO
Same vendor: microsoft
Same weakness: CWE-78

V. Comments for CVE-2026-45322

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