CVE-2026-89203 Information disclosure in RUGGEDCOM CROSSBOW
An authenticated attacker can retrieve sensitive system-wide infrastructure information via unrestricted database queries in Siemens RUGGEDCOM CROSSBOW.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-89203?
CVE-2026-89203 is a medium-severity vulnerability in Siemens RUGGEDCOM CROSSBOW, published on 13 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been identified in RUGGEDCOM CROSSBOW (All versions < V6.0). Affected devices do not properly restrict access to various database queries, allowing users to retrieve system-wide information that is not intended for their privilege level. This could allow an authenticated attacker to gather sensitive information about the system's infrastructure, including details on all devices, substations, users, and scheduled activities.
Weakness: CWE-201
Which versions are affected by CVE-2026-89203?
How do I fix CVE-2026-89203?
No fix has been published for CVE-2026-89203 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-89203 being exploited?
There is no known exploitation of CVE-2026-89203 in the wild and no public exploit code.
Sources
Also known as GHSA-432w-69jv-r59x.