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CVE-2026-8196— JeecgBoot mLogin Endpoint LoginController.java authorization

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版本存在授权问题漏洞，该漏洞源于组件mLogin Endpoint中文件jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/LoginController.java的未知函数，可能导致授权绕过。

CVSS 3.7 · Low EPSS 0.46% · P37

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a JeecgBoot 3.9.1 affected
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I. Basic Information for CVE-2026-8196

Vulnerability Information
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Vulnerability Title
JeecgBoot mLogin Endpoint LoginController.java authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in JeecgBoot 3.9.1. The impacted element is an unknown function of the file jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/LoginController.java of the component mLogin Endpoint. This manipulation causes authorization bypass. The attack is possible to be carried out remotely. The attack is considered to have high complexity. The exploitability is regarded as difficult. The exploit has been published and may 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:H/PR:N/UI:N/S:U/C:L/I:N/A:N
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
JeecgBoot 授权问题漏洞
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版本存在授权问题漏洞，该漏洞源于组件mLogin Endpoint中文件jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/LoginController.java的未知函数，可能导致授权绕过。
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 3.9.1 -

II. Public POCs for CVE-2026-8196

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III. Intelligence Information for CVE-2026-8196

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Other References for CVE-2026-8196 (1)

Same Patch Batch · n/a · 2026-05-09 · 10 CVEs total

CVE-2026-6665 8.1 HIGH PgBouncer buffer overflow in SCRAM
CVE-2026-6664 7.5 HIGH PgBouncer integer overflow in PgBouncer network packet parsing
CVE-2026-8193 6.3 MEDIUM Akaunting Invoice PDF Rendering dompdf.php server-side request forgery
CVE-2026-6666 5.9 MEDIUM PgBouncer crash in kill_pool_logins_server_error
CVE-2026-8186 5.3 MEDIUM Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out-of-bounds
CVE-2026-8187 5.3 MEDIUM Open5GS UPF gtp-path.c _gtpv1_u_recv_cb resource consumption
CVE-2026-8195 4.3 MEDIUM JeecgBoot SVG File CommonController.java cross site scripting
CVE-2026-8194 4.3 MEDIUM osTicket Dispatcher class.dispatcher.php cross-site request forgery
CVE-2026-6667 4.3 MEDIUM PgBouncer missing authorization check in KILL_CLIENT admin command

IV. Related Vulnerabilities

Same product: JeecgBoot
Same vendor: n/a
Same weakness: CWE-639

V. Comments for CVE-2026-8196

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