CVE-2026-11833
FAST/TOOLS CI Server Information Disclosure
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
INFO
Published Date :
June 23, 2026, 2:16 a.m.
Last Modified :
June 23, 2026, 3:06 p.m.
Remotely Exploit :
Yes !
Source :
7168b535-132a-4efe-a076-338f829b2eb9
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 4.0 | HIGH | 7168b535-132a-4efe-a076-338f829b2eb9 | ||||
| CVSS 4.0 | HIGH | 7168b535-132a-4efe-a076-338f829b2eb9 |
Solution
- Update FAST/TOOLS to a patched version.
- Update CI Server to a patched version.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-11833.
| URL | Resource |
|---|---|
| https://web-material3.yokogawa.com/1/39777/files/YSAR-26-0004-E.pdf |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-11833 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-11833
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-11833 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-11833 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 23, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-11833', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-23T12:17:05.794821Z'} -
New CVE Received by 7168b535-132a-4efe-a076-338f829b2eb9
Jun. 23, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Yokogawa Electric Corporation', 'product': 'FAST/TOOLS', 'versions': [{'status': 'affected', 'version': 'R9.01', 'versionType': 'custom', 'lessThanOrEqual': 'R10.04'}], 'defaultStatus': 'unknown'}, {'vendor': 'Yokogawa Electric Corporation', 'product': 'CI Server', 'versions': [{'status': 'affected', 'version': 'R1.01', 'versionType': 'custom', 'lessThanOrEqual': 'R1.04'}], 'defaultStatus': 'unknown'}] 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 Added CVSS V4.0 AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-319 Added Reference https://web-material3.yokogawa.com/1/39777/files/YSAR-26-0004-E.pdf