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CVE-2026-3999— Broken access control vulnerability affecting ID Server

Quick assessment

Affected
Pointsharp ID Server
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.

Pointsharp ID Server是瑞典Pointsharp公司的一个身份与访问管理服务器。 Pointsharp ID Server存在安全漏洞，该漏洞源于访问控制不当，可能导致水平权限提升。

AI Predicted 5.4 Difficulty: Moderate EPSS 0.42% · P34

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2026-3999

Vulnerability Information
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Vulnerability Title
Broken access control vulnerability affecting ID Server
Source: CVE Program / CVE List V5
Vulnerability Description
A broken access control may allow an authenticated user to perform a horizontal privilege escalation. The vulnerability only impacts specific configurations.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/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
Pointsharp ID Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pointsharp ID Server是瑞典Pointsharp公司的一个身份与访问管理服务器。 Pointsharp ID Server存在安全漏洞，该漏洞源于访问控制不当，可能导致水平权限提升。
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
Pointsharp ID Server 0 ~ 9.0.0 -

II. Public POCs for CVE-2026-3999

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III. Intelligence Information for CVE-2026-3999

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Vendor Advisories for CVE-2026-3999 (1)

IV. Related Vulnerabilities

Same weakness: CWE-639

V. Comments for CVE-2026-3999

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