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CVE-2026-13207— Frangoteam FUXA SCADA/HMI Authentication Bypass by Spoofing

Quick assessment

Affected
Frangoteam FUXA SCADA/HMI
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.

frangoteam FUXA是frangoteam团队开源的一个基于web的过程可视化软件。 frangoteam FUXA 1.3.1及之前版本存在授权问题漏洞，该漏洞源于REST API中未对点段路径进行标准化处理，允许未经身份验证的攻击者通过添加点段前缀绕过身份验证中间件，访问受保护端点并获取敏感用户和角色数据。

CVSS 7.5 · High EPSS 0.61% · P48

Possible ATT&CK Techniques 1 AI

T1078.001 · Default Accounts

Affected Version Matrix 2

VendorProduct Version RangeStatus
Frangoteam FUXA SCADA/HMI ≤ 1.3.1 affected
1.3.2 unaffected
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I. Basic Information for CVE-2026-13207

Vulnerability Information
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Vulnerability Title
Frangoteam FUXA SCADA/HMI Authentication Bypass by Spoofing
Source: CVE Program / CVE List V5
Vulnerability Description
FUXA versions 1.3.1 and prior contain an authentication bypass vulnerability via dot-segment path normalization in the REST API. The API router fails to normalize dot-segment sequences before applying authentication middleware, allowing unauthenticated requests to access protected endpoints by prefixing paths with dot-segments such as /api/./users, /api/./roles, and /api/project/../users. These requests bypass authentication checks and return sensitive user and role data without credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用欺骗进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
frangoteam FUXA 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
frangoteam FUXA是frangoteam团队开源的一个基于web的过程可视化软件。 frangoteam FUXA 1.3.1及之前版本存在授权问题漏洞，该漏洞源于REST API中未对点段路径进行标准化处理，允许未经身份验证的攻击者通过添加点段前缀绕过身份验证中间件，访问受保护端点并获取敏感用户和角色数据。
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
Frangoteam FUXA SCADA/HMI 0 ~ 1.3.1 -

II. Public POCs for CVE-2026-13207

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III. Intelligence Information for CVE-2026-13207

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Vendor Advisories for CVE-2026-13207 (2)

Vendor Pages for CVE-2026-13207 (1)

IV. Related Vulnerabilities

Same vendor: Frangoteam
Same weakness: CWE-290

V. Comments for CVE-2026-13207

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