Is CVE-2026-109097 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-109097 being exploited in the wild.

How severe is CVE-2026-109097?

High severity, with a CVSS score of 8.2, published 10 November 2026.

Which products and versions are affected?

Siemens ROS# All versions before 2.3.1.

Is there a fix for CVE-2026-109097?

Yes: fixed in ROS# 2.3.1 and later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-109097 attacked?

It is attacked with local access, in a software library.

Am I affected by CVE-2026-109097?

Check whether you run Siemens ROS# at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-109097: Siemens ROS# code injection in message definition parsing

CVE-2026-109097 · Severity: high · CVSS 8.2 · Published 2026-11-10

ROS# is a .NET library that enables applications to communicate with ROS (Robot Operating System) robotics nodes. A code injection vulnerability in message definition file parsing allows an attacker who can supply a crafted file to inject and execute arbitrary code in applications using the library. This could lead to complete compromise of any application or robotics system using the affected ROS# version.

Vendors: Siemens.

Quick answers

Is CVE-2026-109097 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-109097 being exploited in the wild.
How severe is CVE-2026-109097?: High severity, with a CVSS score of 8.2, published 10 November 2026.
Which products and versions are affected?: Siemens ROS# All versions before 2.3.1.
Is there a fix for CVE-2026-109097?: Yes: fixed in ROS# 2.3.1 and later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-109097 attacked?: It is attacked with local access, in a software library.
Am I affected by CVE-2026-109097?: Check whether you run Siemens ROS# at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Fixed in: ROS# 2.3.1 and later

Technical details

ROS# versions before 2.3.1 fail to properly escape text in message definition files during code generation, enabling code injection attacks (CWE-94). An attacker with local access who can deliver a malicious message definition file to a user triggers arbitrary code execution in the generated program when that definition is processed. The vulnerability requires user interaction (file opening/processing) and local privilege or access, but no network access is needed.

Affected products

Siemens ROS# All versions before 2.3.1

Timeline

2026-11-10: disclosed

References

https://cert-portal.siemens.com/productcert/html/ssa-435267.html

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