CVE-2025-66595 Cross-site request forgery in FAST/TOOLS

Medium 6.3 Published 9 Feb 2026 Updated 9 Feb 2026

An attacker can compromise user accounts via Cross-Site Request Forgery in Yokogawa FAST/TOOLS industrial software.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-66595?

CVE-2025-66595 is a medium-severity vulnerability in Yokogawa Electric Corporation FAST/TOOLS, published on 9 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.

This product is vulnerable to Cross-Site Request Forgery (CSRF). When a user accesses a link crafted by an attacker, the user’s account could be compromised.

The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04

Weakness: CWE-352

Which versions are affected by CVE-2025-66595?

It affects 1 product.

Products include Yokogawa Fast\/Tools.

How do I fix CVE-2025-66595?

No fix has been published for CVE-2025-66595 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-66595 being exploited?

There is no known exploitation of CVE-2025-66595 in the wild and no public exploit code.

Sources

Also known as GHSA-mggh-hv8j-r56r.