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EPSS 0.5%top 61%

CVE-2026-41551: CWE-23: Relative Path Traversal in Siemens ROS#

0
Critical
VulnerabilityCVE-2026-41551cvecve-2026-41551cwe-23
Published: 05/12/2026 (05/12/2026, 08:21:18 UTC)
Source: CVE Database V5
Vendor/Project: Siemens
Product: ROS#

Description

CVE-2026-41551 is a critical relative path traversal vulnerability in Siemens ROS# versions prior to 2.2.2. The issue arises from improper sanitization of user input, allowing remote attackers to access arbitrary files on affected devices. The vulnerability has a high CVSS score of 9.1, indicating significant confidentiality and integrity impact without requiring privileges or user interaction. No official patch or remediation guidance is currently confirmed from the vendor. There are no known exploits in the wild at this time.

CVSS v3.1

Score 9.1critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected software

Affected versions
=0

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/19/2026, 11:04:39 UTC

Technical Analysis

This vulnerability in Siemens ROS# (all versions before 2.2.2) is due to insufficient input validation leading to a relative path traversal (CWE-23). An attacker can exploit this flaw remotely without authentication or user interaction to read arbitrary files on the system, potentially exposing sensitive information or compromising system integrity. The CVSS 3.1 base score is 9.1 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N), reflecting its critical severity. No official patch or remediation level has been provided by Siemens as of the publication date.

Potential Impact

Successful exploitation allows remote attackers to read arbitrary files on affected devices, compromising confidentiality and integrity of data. This could lead to exposure of sensitive information or further attacks leveraging disclosed data. There is no indication of availability impact. No known exploits have been reported in the wild.

Mitigation Recommendations

Patch status is not yet confirmed — check the Siemens vendor advisory for current remediation guidance. Until an official fix is available, restrict network access to ROS# instances and monitor for suspicious activity related to file access attempts. Avoid exposing vulnerable versions to untrusted networks.

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Technical Details

Data Version
5.2
Assigner Short Name
siemens
Date Reserved
2026-04-21T08:01:09.876Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 6a02f11acbff5d8610c13ae6

Added to database: 05/12/2026, 09:21:30 UTC

Last enriched: 05/19/2026, 11:04:39 UTC

Last updated: 07/31/2026, 22:35:07 UTC

Views: 99

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