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CVE-2026-11833

HIGH
8.2
CVSS Score
Published: June 23, 2026 at 12:53 AM UTC
Updated: June 23, 2026 at 05:34 PM UTC
2 products affected across 1 vendorFAST/TOOLSCI Server

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Severity
HIGH8.2
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

CI Server· Yokogawa
60%
R1.01 ≤ v ≤ R1.04R1.01
FAST/TOOLS· Yokogawa
60%
R9.01 ≤ v ≤ R10.04R9.01

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

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

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.2HIGHYokogawaGroup
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-319

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