CVE-2026-4901— Insertion of Sesitive Information into Log File in Hydrosystem Control System
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I. Basic Information for CVE-2026-4901
Vulnerability Information
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Vulnerability Title
Insertion of Sesitive Information into Log File in Hydrosystem Control System
Source: NVD (National Vulnerability Database)
Vulnerability Description
Hydrosystem Control System saves sensitive information into a log file. Critically, user credentials are logged allowing the attacker to obtain further authorized access into the system. Combined with vulnerability CVE-2026-34184, these sensitive information could be accessed by an unauthorized user.This issue was fixed in Hydrosystem Control System version 9.8.5
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过日志文件的信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Hydrosystem Control System 日志信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hydrosystem Control System是美国Hydrosystem公司的一个工业水处理与流体控制监测系统。 Hydrosystem Control System 9.8.5之前版本存在日志信息泄露漏洞，该漏洞源于将敏感信息保存到日志文件，可能导致攻击者获取凭据并获得进一步授权访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Hydrosystem | Control System | 0 ~ 9.8.5 | - |
II. Public POCs for CVE-2026-4901
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Hydrosystem · 2026-04-09 · 3 CVEs total
| CVE-2026-34185 | SQL Injection in Hydrosystem Control System | |
| CVE-2026-34184 | Missing Authorization in Hydrosystem Control System |
IV. Related Vulnerabilities
Same weakness: CWE-532
- CVE-2026-42282
n8n-MCP: Sensitive MCP tool-call arguments logged on authent - CVE-2026-41495
n8n-MCP Logs Sensitive Request Data on Unauthorized /mcp Req - CVE-2026-41004
VMware Spring Cloud Config 日志信息泄露漏洞 - CVE-2024-30151
HCL BigFix Service Management (SM) is susceptible to Broken - CVE-2026-7824
PaperCut Hive (Ricoh): Plain text password in logs
V. Comments for CVE-2026-4901
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