Quick answers
- Is CVE-2026-89199 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-89199 being exploited in the wild.
- How severe is CVE-2026-89199?
- High severity, with a CVSS score of 8.8, published 13 October 2026.
- Which products and versions are affected?
- Siemens RUGGEDCOM CROSSBOW All versions before V6.0.
- Is there a fix for CVE-2026-89199?
- Yes: fixed in V6.0 or later. Until then: Siemens recommends protecting network access to devices with appropriate mechanisms and configuring the environment according to Siemens' operational guidelines for Industrial Security. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-89199 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-89199?
- Check whether you run Siemens RUGGEDCOM CROSSBOW 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: V6.0 or later
Siemens recommends protecting network access to devices with appropriate mechanisms and configuring the environment according to Siemens' operational guidelines for Industrial Security.
Technical details
The vulnerability is an authorization bypass (CWE-639) where database query access controls fail to restrict sensitive configuration items. An authenticated attacker can directly retrieve administrative credentials and other restricted data, bypassing intended privilege boundaries. The attack requires network access and authentication but no additional user interaction.
Affected products
- Siemens RUGGEDCOM CROSSBOW All versions before V6.0
Timeline
- 2026-10-13: disclosed