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CVE-2026-90523— jaychouchannel Tourism-Management-System User Register Endpoint UsersController.java privileges management

Quick assessment

Affected
jaychouchannel Tourism-Management-System
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.

在 jaychouchannel Tourism-Management-System 中识别出一个漏洞，影响版本范围为 commit 229956e20dbd4a80eeff14535e44d3099502af09 之前的版本。受影响的组件为 “用户注册端点（User Register Endpoint）”，具体位于文件 中的一个未知函数。对 参数的不当操作会导致权限管理不当（improper privilege management）。该漏洞可被远程触发，且已存在公开的利用方式，可能被攻击者利用。由于该产品未采用

CVSS 7.3 · High

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2026-90523

Vulnerability Information
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Vulnerability Title
jaychouchannel Tourism-Management-System User Register Endpoint UsersController.java privileges management
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in jaychouchannel Tourism-Management-System up to 229956e20dbd4a80eeff14535e44d3099502af09. The affected element is an unknown function of the file travel/src/main/java/com/controller/UsersController.java of the component User Register Endpoint. Such manipulation of the argument UsersEntity leads to improper privilege management. The attack can be launched remotely. The exploit is publicly available and might be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The name of the patch is 84d8ec384f669df3985293dab293bb7b477efa64. Applying a patch is advised to resolve this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
jaychouchannel Tourism-Management-System 229956e20dbd4a80eeff14535e44d3099502af09 cpe:2.3:a:jaychouchannel:tourism-management-system:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-90523

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-90523

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Patches & Fixes for CVE-2026-90523 (1)

Vendor Advisories for CVE-2026-90523 (1)

Other References for CVE-2026-90523 (1)

Same Patch Batch · jaychouchannel · 2026-09-13 · 5 CVEs total

CVE-2026-90522 7.3 HIGH jaychouchannel Tourism-Management-System Password Recovery UsersController.java resetPass
CVE-2026-90524 7.3 HIGH jaychouchannel Tourism-Management-System Update Endpoint missing authentication
CVE-2026-90520 6.3 MEDIUM jaychouchannel Tourism-Management-System Authorization Interceptor AuthorizationIntercepto
CVE-2026-90521 6.3 MEDIUM jaychouchannel Tourism-Management-System CRUD MenpiaodingdanController.java authorization

IV. Related Vulnerabilities

Same product: Tourism-Management-System
Same vendor: jaychouchannel
Same weakness: CWE-269

V. Comments for CVE-2026-90523

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