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CVE-2026-46746

Quick assessment

Affected
Siemens SINEC INS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Siemens SINEC INS是德国西门子（Siemens）公司的一款为网络基础设施提供中央服务的软件。 Siemens SINEC INS V1.0 SP2 Update 6之前版本存在操作系统命令注入漏洞，该漏洞源于/api/sftp/uploadFiles端点未正确清理用户输入，可能导致通过特制目录名注入shell命令，从而执行任意命令。

CVSS 8.8 · High EPSS 0.79% · P55

Affected Version Matrix 1

VendorProduct Version RangeStatus
Siemens SINEC INS < V1.0 SP2 Update 6 affected
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I. Basic Information for CVE-2026-46746

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6). The application does not properly sanitize user input in the /api/sftp/uploadFiles endpoint, allowing the injection of shell command payloads via crafted directory names. These payloads are stored and executed when directory listings are retrieved. This could allow an authenticated remote attacker to execute arbitrary commands on the underlying operating system with the privileges of the affected service user (sinecins).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens SINEC INS 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SINEC INS是德国西门子（Siemens）公司的一款为网络基础设施提供中央服务的软件。 Siemens SINEC INS V1.0 SP2 Update 6之前版本存在操作系统命令注入漏洞，该漏洞源于/api/sftp/uploadFiles端点未正确清理用户输入，可能导致通过特制目录名注入shell命令，从而执行任意命令。
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
Siemens SINEC INS 0 ~ V1.0 SP2 Update 6 -

II. Public POCs for CVE-2026-46746

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III. Intelligence Information for CVE-2026-46746

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Vendor Advisories for CVE-2026-46746 (1)

Same Patch Batch · Siemens · 2026-06-09 · 6 CVEs total

CVE-2026-46748 8.8 HIGH Siemens SINEC INS 安全漏洞
CVE-2026-46749 7.5 HIGH Siemens SINEC INS 安全漏洞
CVE-2026-24349 7.1 HIGH Siemens SIMATIC WinCC Unified PC Runtime 安全漏洞
CVE-2025-40808 6.1 MEDIUM Siemens多款产品 代码问题漏洞
CVE-2026-46747 4.3 MEDIUM Siemens SINEC INS 安全漏洞

IV. Related Vulnerabilities

Same product: SINEC INS
Same vendor: Siemens
Same weakness: CWE-78

V. Comments for CVE-2026-46746

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