Vulnerability · Published Jul 9, 2026 · Assigned by siemens
CVE-2026-54801
High 7.2
In plain English
A high-severity security flaw in CPCI85 Central Processing/Communication from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).
Official description
A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.20), SICORE Base system (All versions < V26.20.0). The affected application contains insufficient validation of authentication credentials when processing administrative account modifications through the web API. This could allow an authenticated attacker to bypass security controls and gain unauthorized elevated privileges.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Siemens | CPCI85 Central Processing/Communication | 0 – before V26.20 |
| Siemens | SICORE Base system | 0 – before V26.20.0 |
Weakness: CWE-620 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H