CVE-2026-7502— LinkStackOrg LinkStack Management Endpoint UserController.php saveLink authorization
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I. Basic Information for CVE-2026-7502
Vulnerability Information
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Vulnerability Title
LinkStackOrg LinkStack Management Endpoint UserController.php saveLink authorization
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security vulnerability has been detected in LinkStackOrg LinkStack up to 4.8.6. The affected element is the function saveLink of the file app/Http/Controllers/UserController.php of the component Management Endpoint. The manipulation leads to authorization bypass. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The pull request to fix this issue awaits acceptance.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: NVD (National Vulnerability Database)
Vulnerability Title
LinkStack 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LinkStack是LinkStack开源的一个独特的平台，为在线管理和共享链接提供了高效的解决方案。 LinkStack 4.8.6及之前版本存在授权问题漏洞，该漏洞源于Management Endpoint组件文件app/Http/Controllers/UserController.php中saveLink函数，可能导致授权绕过。
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 |
|---|---|---|---|---|
| LinkStackOrg | LinkStack | 4.8.0 | - |
II. Public POCs for CVE-2026-7502
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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