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Yokogawa FAST/TOOLS and CI Server

HIGH
CVSS 7.5
Date 2026-06-25T06:00:00+00:00
Source cisa-csaf
Published by CISA

// Description

Successful exploitation of this vulnerability may return a response containing the CI Server setting information.

// Vulnerabilities (1)

CVE ID CVSS Score Severity Description
CVE-2026-11833 7.5 high
The web server may return a response containing the CI Server setting information. This information could be exploited by an attacker for other attacks.

// Remediations (4)

Patch: Yokogawa recommends users update FAST/TOOLS up to R10.04 and apply patch software (R10.04 SP4).
Yokogawa recommends users update FAST/TOOLS up to R10.04 and apply patch software (R10.04 SP4).
Mitigation: For questions related to this report, please contact the below.https://contact.yokogawa.com/cs/gw?c-
For questions related to this report, please contact the below.https://contact.yokogawa.com/cs/gw?c-id=000498
Mitigation: Yokogawa recommends users update Collaborative Information Server (CI Server) up to R1.05.
Yokogawa recommends users update Collaborative Information Server (CI Server) up to R1.05.
Mitigation: For more information and details on implementing these mitigations, users should see the Yokogawa se
For more information and details on implementing these mitigations, users should see the Yokogawa security advisory report YSAR-26-0004 at https://web-material3.yokogawa.com/1/39777/files/YSAR-26-0004-E.pdf

// References