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CVE-2026-9579— JeecgBoot SysUser userEdit user.getUsername access control

Quick assessment

Affected
n/a JeecgBoot
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.

JeecgBoot是中国国炬（Jeecg）公司的一个适用于企业 Web 应用程序的 Java 低代码平台。 JeecgBoot 3.9.1及之前版本存在访问控制错误漏洞，该漏洞源于SysUser组件中文件/sys/user/login/setting/userEdit的user.getUsername函数对参数userIdentity操作不当，可能导致访问控制不当。

CVSS 6.3 · Medium EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 3

VendorProduct Version RangeStatus
n/a JeecgBoot 3.9.0 affected
3.9.1 affected
3.9.2 unaffected
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I. Basic Information for CVE-2026-9579

Vulnerability Information
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Vulnerability Title
JeecgBoot SysUser userEdit user.getUsername access control
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in JeecgBoot up to 3.9.1. Impacted is the function user.getUsername of the file /sys/user/login/setting/userEdit of the component SysUser. The manipulation of the argument userIdentity results in improper access controls. The attack may be launched remotely. The exploit has been made public and could be used. Upgrading to version 3.9.2 is recommended to address this issue. The affected component should be upgraded.
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
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
JeecgBoot 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
JeecgBoot是中国国炬（Jeecg）公司的一个适用于企业 Web 应用程序的 Java 低代码平台。 JeecgBoot 3.9.1及之前版本存在访问控制错误漏洞，该漏洞源于SysUser组件中文件/sys/user/login/setting/userEdit的user.getUsername函数对参数userIdentity操作不当，可能导致访问控制不当。
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
- JeecgBoot 3.9.0 cpe:2.3:a:jeecgboot:jeecgboot:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-9579

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III. Intelligence Information for CVE-2026-9579

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Vendor Advisories for CVE-2026-9579 (1)

Vendor Pages for CVE-2026-9579 (2)

Other References for CVE-2026-9579 (1)

Same Patch Batch · n/a · 2026-05-26 · 31 CVEs total

CVE-2026-9496 7.5 HIGH pacote 安全漏洞
CVE-2026-9580 7.3 HIGH JeecgBoot selectDepart LoginController.selectDepart access control
CVE-2026-9495 7.3 HIGH @koa/router 安全漏洞
CVE-2026-9581 6.3 MEDIUM JeecgBoot add access control
CVE-2026-9541 5.3 MEDIUM Squirrel Cnut File sqobject.cpp ReadObject heap-based overflow
CVE-2026-9568 5.0 MEDIUM ThingsBoard YAML provision getGatewayDockerComposeFile code injection
CVE-2026-9604 4.3 MEDIUM JeecgBoot AiragModelController access control
CVE-2026-9572 3.3 LOW GPAC MP4Box media.c Media_GetSample memory leak
CVE-2026-9567 3.3 LOW GPAC MP4Box isom_intern.c MergeFragment null pointer dereference
CVE-2026-48689 FastNetMon 缓冲区错误漏洞
CVE-2025-68711 AppLockZ - TrustedApp App Lock and Fingerprint Lock 安全漏洞
CVE-2025-68708 SailingLab AppLock 安全漏洞
CVE-2026-36239 PbootCMS 安全漏洞
CVE-2025-68710 Easyelife App Lock 安全漏洞
CVE-2025-68709 SailingLab AppLock 安全漏洞
CVE-2026-48685 FastNetMon 安全漏洞
CVE-2026-48694 FastNetMon 安全漏洞
CVE-2026-48695 FastNetMon 安全漏洞
CVE-2026-48696 FastNetMon 安全漏洞
CVE-2026-48697 FastNetMon 安全漏洞

Showing top 20 of 31 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: JeecgBoot
Same vendor: n/a
Same weakness: CWE-284

V. Comments for CVE-2026-9579

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