Vulnerability · Published May 12, 2026 · Assigned by siemens

CVE-2026-41551

Critical 9.1

In plain English

A critical-severity security flaw in ROS# from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.5%top 57.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

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.

Affected products (as reported)

VendorProductVersions
Siemens ROS# 0 – before V2.2.2

Weakness: CWE-23 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References