Quick answers
- Is CVE-2026-89206 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-89206 being exploited in the wild.
- How severe is CVE-2026-89206?
- Medium severity, with a CVSS score of 6.3, published 13 October 2026.
- Which products and versions are affected?
- Siemens RUGGEDCOM CROSSBOW All versions < V6.0.
- Is there a fix for CVE-2026-89206?
- Yes: fixed in V6.0 or later. Until then: Protect network access to RUGGEDCOM CROSSBOW devices using appropriate network security controls and configure 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-2026-89206 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-89206?
- 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
Protect network access to RUGGEDCOM CROSSBOW devices using appropriate network security controls and configure the environment according to Siemens' operational guidelines for Industrial Security.
Technical details
The vulnerability is an authorization bypass in server-side checks for scheduled action state modifications (CVE-2026-89206). An authenticated attacker without proper permissions can perform unauthorized operations on scheduled tasks. The attack requires network access and prior authentication but no additional user interaction, and can lead to unauthorized task manipulation.
Affected products
- Siemens RUGGEDCOM CROSSBOW All versions < V6.0
Timeline
- 2026-10-13: disclosed