Web Server Information Exposure in FAST/TOOLS and CI Server by Yokogawa
CVE-2026-11833

8.2HIGH

Key Information:

Vendor: Yokogawa Electric Corporation
Status: Fast/tools; Ci Server
Vendor: CVE Published:; 23 June 2026

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What is CVE-2026-11833?

A vulnerability in Yokogawa's FAST/TOOLS and CI Server allows a web server to inadvertently return sensitive configuration details. This information leak could be leveraged by malicious actors to conduct further attacks, compromising the security of the system. The issue affects multiple packages within the FAST/TOOLS suite as well as the CI Server across its specified versions.

Affected Version(s)

CI Server R1.01

FAST/TOOLS R9.01

References

https://web-material3.yokogawa.com/1/39777/files/YSAR-26-...

CVSS V4

Score:

8.2

Severity:

HIGH

Confidentiality:

High

Integrity:

None

Availability:

None

Attack Vector:

Network

Attack Complexity:

Low

Attack Required:

Physical

Privileges Required:

Undefined

User Interaction:

None

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Timeline

Vulnerability published
Jun 23, 2026
Vulnerability Reserved
Jun 9, 2026

CVE-2026-11833 Data

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