Path Traversal in Siemens Ros#

CVE-2026-41551

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-41551: held from 0.005 to 0.006.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.002

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-41551?
CVE-2026-41551 is a critical-severity vulnerability in Siemens Ros#, classified under Relative Path Traversal. CVSS score: 9.1/10. Published 2026-05-12.
How severe is CVE-2026-41551?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2026-41551 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.