CVE-2026-46402 Path traversal in UFO
Authenticated attackers can exploit path traversal in task names to create log files outside the intended directory in the Microsoft UFO automation framework.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-46402?
CVE-2026-46402 is a high-severity path traversal vulnerability in microsoft UFO, published on 27 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Microsoft UFO open-source framework for intelligent automation across devices and platforms. In 3.0.1-4-ge2626659, Microsoft UFO uses the user-controlled task_name value directly when constructing session log paths. An authenticated client can supply path traversal sequences in task_name and cause UFO to create log directories and log files outside the intended logs/ directory.
Which versions are affected by CVE-2026-46402?
How do I fix CVE-2026-46402?
No fix has been published for CVE-2026-46402 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-46402 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-46402 exists.