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Yokogawa FAST/TOOLS Response Header Vulnerability Allowing Open Redirects

Vulnerability

A vulnerability in FAST/TOOLS by Yokogawa Electric Corporation allows for open redirects due to an insecure response header setting. This could enable attackers to redirect users to malicious sites. The issue affects FAST/TOOLS versions R9.01 through R10.04, specifically within the RVSVRN, UNSVRN, HMIWEB, FTEES, and HMIMOB packages.

Impact

Exploitation of this vulnerability could lead to open redirect attacks, allowing users to be sent to potentially harmful websites.

Added: Feb 9, 2026, 4:18 AM
Updated: Feb 9, 2026, 4:18 AM

Vulnerability Rating

Custom Algorithm
spread
1.4
impact
0.2
exploitability
5.4
remediation
0.0
relevance
2.6
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.