CVE-2025-59887 Code injection in Eaton UPS Companion Software
An attacker with access to the software package can execute arbitrary code due to improper authentication of library files in the Eaton UPS Companion installer.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-59887?
CVE-2025-59887 is a high-severity code injection vulnerability in Eaton UPS Companion Software, published on 26 Dec 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Improper authentication of library files in the Eaton UPS Companion software installer could lead to arbitrary code execution of an attacker with the access to the software package. This security issue has been fixed in the latest version of EUC which is available on the Eaton download center.
Weakness: CWE-427
Which versions are affected by CVE-2025-59887?
It affects 1 product.
Products include Eaton Ups Companion.
How do I fix CVE-2025-59887?
No fix has been published for CVE-2025-59887 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2025-59887 being exploited?
There is no known exploitation of CVE-2025-59887 in the wild and no public exploit code.
Other vulnerabilities in Eaton UPS Companion Software
Sources
Also known as GHSA-ccr5-cv34-54fp.