CVE-2026-54801 Privilege escalation in CPCI85 Central Processing/Communication
An authenticated attacker can bypass security controls to gain unauthorized elevated privileges in Siemens CPCI85 and SICORE Base systems.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-54801?
CVE-2026-54801 is a high-severity vulnerability in Siemens CPCI85 Central Processing/Communication, published on 9 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.
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.
Weakness: CWE-620
Which versions are affected by CVE-2026-54801?
How do I fix CVE-2026-54801?
No fix has been published for CVE-2026-54801 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-54801 being exploited?
There is no known exploitation of CVE-2026-54801 in the wild and no public exploit code.
Sources
Also known as GHSA-79vc-rc2r-m8rf.