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CVE-2025-6669— gooaclok819 sublinkX jwt.go hard-coded key

Quick assessment

Affected
gooaclok819 sublinkX
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.

sublinkX是Chen Hui个人开发者的一个开源节点订阅转换生成管理系统。 sublinkX 1.8及之前版本存在安全漏洞，该漏洞源于文件middlewares/jwt.go中使用硬编码密钥。

CVSS 3.7 · Low EPSS 0.39% · P33

Possible ATT&CK Techniques 1 AI

T1552.004 · Private Keys
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I. Basic Information for CVE-2025-6669

Vulnerability Information
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Vulnerability Title
gooaclok819 sublinkX jwt.go hard-coded key
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in gooaclok819 sublinkX up to 1.8. It has been declared as problematic. This vulnerability affects unknown code of the file middlewares/jwt.go. The manipulation with the input sublink leads to use of hard-coded cryptographic key . The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 1.9 is able to address this issue. The patch is identified as 778d26aef723daa58df98c8060c43f5bf5d1b10b. It is recommended to upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的密码学密钥
Source: CVE Program / CVE List V5
Vulnerability Title
sublinkX 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
sublinkX是Chen Hui个人开发者的一个开源节点订阅转换生成管理系统。 sublinkX 1.8及之前版本存在安全漏洞，该漏洞源于文件middlewares/jwt.go中使用硬编码密钥。
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
gooaclok819 sublinkX 1.0 -

II. Public POCs for CVE-2025-6669

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III. Intelligence Information for CVE-2025-6669

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Patches & Fixes for CVE-2025-6669 (1)

IV. Related Vulnerabilities

Same product: sublinkX
Same vendor: gooaclok819
Same weakness: CWE-321

V. Comments for CVE-2025-6669

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