CVE-2026-11833

Information Disclosure in Yokogawa FAST/TOOLS and CI Server via Web Server Response

Published Jun 23, 2026 CVSS 4.0 · 8.2 High EPSS < 1% KEV · Not listed
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

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Yokogawa
Yokogawa ci Server
Yokogawa fast/tools
Vendors & Products Yokogawa
Yokogawa ci Server
Yokogawa fast/tools
Type Values Removed Values Added
Title Information Disclosure in Yokogawa FAST/TOOLS and CI Server via Web Server Response
Type Values Removed Values Added
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
Weaknesses CWE-319
References
Metrics cvssV4_0

{'score': 8.2, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
YokogawaGroup
Published
Updated
Jun 23, 2026, 12:17 PM
Reserved
Jun 9, 2026, 10:13 PM
Status
Deferred
Published
Jun 23, 2026, 2:16 AM
Modified
Jun 23, 2026, 3:06 PM