CVE-2026-5529— Dromara lamp-cloud DefUserController pageUser improper authorization
Quick assessment
Affected
Dromara lamp-cloud
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.
Dromara Lamp-Cloud是dromara开源的基于Jdk11 + SpringCloud + SpringBoot 开发的微服务中后台快速开发平台。 Dromara Lamp-Cloud 5.8.1及之前版本存在授权问题漏洞，该漏洞源于函数pageUser存在授权不当。
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I. Basic Information for CVE-2026-5529
Vulnerability Information
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Vulnerability Title
Dromara lamp-cloud DefUserController pageUser improper authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in Dromara lamp-cloud up to 5.8.1. This vulnerability affects the function pageUser of the file /defUser/pageUser of the component DefUserController. Performing a manipulation results in improper authorization. The attack can be initiated remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Dromara Lamp-Cloud 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dromara Lamp-Cloud是dromara开源的基于Jdk11 + SpringCloud + SpringBoot 开发的微服务中后台快速开发平台。 Dromara Lamp-Cloud 5.8.1及之前版本存在授权问题漏洞，该漏洞源于函数pageUser存在授权不当。
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 |
|---|---|---|---|---|
| Dromara | lamp-cloud | 5.8.0 | - |
|
II. Public POCs for CVE-2026-5529
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-5529 (2)
-
🔗 POST /defUser/pageUser` 中的访问控制漏洞可导致跨组织用户枚举 · Issue #403 · dromara/lamp-cloud Read full article exploit issue-tracking
-
🔗 CVE-2026-5529 Dromara lamp-cloud DefUserController pageUser improper authorization (Issue 403) Read full article vdb-entry technical-description
IV. Related Vulnerabilities
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Same weakness: CWE-285
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V. Comments for CVE-2026-5529
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