CVE-2026-11833

State: Published
Severity: 8.2 High
Published: Jun 23, 2026
Updated: Jun 23, 2026
Reserved: Jun 9, 2026

Description

Overview: A vulnerability has been found in FAST/TOOLS and CI Server. The web server may return a response containing the CI Server setting information. This information could be exploited by an attacker for other attacks.

The affected products and versions are as follows:

FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04

CI Server (All packages) R1.01 to R1.04

Scores

CVSS	Score	Vector	Source
4.0	8.2 High	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N	YokogawaGroup

Weaknesses

CWE-319 Cleartext transmission of sensitive information

Affected Products

Product	Versions
FAST/TOOLSYokogawa Electric Corporation	R9.01 through R10.04Affected
CI ServerYokogawa Electric Corporation	R1.01 through R1.04Affected

References

https://web-material3.yokogawa.com/1/39777/files/YSAR-26-0004-E.pdf

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