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CVE-2026-18631— jeequan jeepay PreAuthorize SysLogController.java WebSecurityConfig authorization

Quick assessment

Affected
jeequan jeepay
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.

jeequan jeepay是jeequan个人开发者的一款聚合支付业务解决方案。 jeequan jeepay 3.2.9及之前版本存在授权问题漏洞，该漏洞源于PreAuthorize Handler组件中文件jeepay-manager/src/main/java/com/jeequan/jeepay/mgr/ctrl/sysuser/SysLogController.java的WebSecurityConfig函数对授权验证的处理不当，可能导致攻击者远程绕过授权。

CVSS 6.3 · Medium EPSS 0.40% · P32

Affected Version Matrix 10

VendorProduct Version RangeStatus
jeequan jeepay 3.2.0 affected
3.2.1 affected
3.2.2 affected
3.2.3 affected
3.2.4 affected
3.2.5 affected
3.2.6 affected
3.2.7 affected
… +2 more rows
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I. Basic Information for CVE-2026-18631

Vulnerability Information
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Vulnerability Title
jeequan jeepay PreAuthorize SysLogController.java WebSecurityConfig authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in jeequan jeepay up to 3.2.9. This vulnerability affects the function WebSecurityConfig of the file jeepay-manager/src/main/java/com/jeequan/jeepay/mgr/ctrl/sysuser/SysLogController.java of the component PreAuthorize Handler. The manipulation leads to authorization bypass. The attack may be initiated remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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
jeequan jeepay 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
jeequan jeepay是jeequan个人开发者的一款聚合支付业务解决方案。 jeequan jeepay 3.2.9及之前版本存在授权问题漏洞，该漏洞源于PreAuthorize Handler组件中文件jeepay-manager/src/main/java/com/jeequan/jeepay/mgr/ctrl/sysuser/SysLogController.java的WebSecurityConfig函数对授权验证的处理不当，可能导致攻击者远程绕过授权。
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
jeequan jeepay 3.2.0 cpe:2.3:a:jeequan:jeepay:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-18631

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-18631

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Proof of Concept for CVE-2026-18631 (1)

IV. Related Vulnerabilities

Same weakness: CWE-639

V. Comments for CVE-2026-18631

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