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CVE-2026-12686— Incorrect authorisation in Adiss’s Biloop

Quick assessment

Affected
Adiss Biloop
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.

Adiss Biloop是西班牙Adiss公司的一款交互式网络应用平台。 Adiss Biloop 6.1.1版本存在授权问题漏洞，该漏洞源于应用程序未充分验证请求的公司ID是否属于已认证用户会话，导致跨租户授权绕过。攻击者可利用此漏洞未经授权访问敏感客户信息（包括账单数据），并可能修改第三方数据。

AI Predicted 8.6 Difficulty: Easy EPSS 0.37% · P29

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
Adiss Biloop 6.1.1 affected
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I. Basic Information for CVE-2026-12686

Vulnerability Information
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Vulnerability Title
Incorrect authorisation in Adiss’s Biloop
Source: CVE Program / CVE List V5
Vulnerability Description
An authenticated user could manipulate a company ID parameter in a POST request to the backend to gain unauthorised access to other companies hosted within the same subdomain environment. The application does not adequately verify whether the requested company ID belongs to the authenticated user’s session, resulting in a cross-tenant authorisation bypass. If this vulnerability is successfully exploited, it allows unauthorised access to sensitive customer information, including billing data, and may enable the unauthorised modification of third-party data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Adiss Biloop 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adiss Biloop是西班牙Adiss公司的一款交互式网络应用平台。 Adiss Biloop 6.1.1版本存在授权问题漏洞，该漏洞源于应用程序未充分验证请求的公司ID是否属于已认证用户会话，导致跨租户授权绕过。攻击者可利用此漏洞未经授权访问敏感客户信息（包括账单数据），并可能修改第三方数据。
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
Adiss Biloop 6.1.1 -

II. Public POCs for CVE-2026-12686

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III. Intelligence Information for CVE-2026-12686

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Vendor Advisories for CVE-2026-12686 (1)

IV. Related Vulnerabilities

Same weakness: CWE-639

V. Comments for CVE-2026-12686

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