CVE-2026-41551 Path traversal in ROS#

Critical 9.3 Published Updated

A remote attacker can access arbitrary files on the device due to improper input sanitization in the ROS# library.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-41551?

CVE-2026-41551 is a critical path traversal vulnerability in Siemens ROS#, published on 12 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability has been identified in ROS# (All versions < V2.2.2). Affected versions contain a path traversal vulnerability because user input is not properly sanitized. This could allow a remote attacker to access arbitrary files on the device.

Weakness: CWE-23

Which versions are affected by CVE-2026-41551?

How do I fix CVE-2026-41551?

No fix has been published for CVE-2026-41551 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-2026-41551 being exploited?

There is no known exploitation of CVE-2026-41551 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-gmpj-93q6-2282.

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