---
id: CVE-2025-14909
title: A weakness has been identified in JeecgBoot up to 3.9.0
summary: >-
  A weakness has been identified in JeecgBoot up to 3.9.0. The impacted element
  is the function SysUserOnlineController of the file
  jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysUserOn…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'
cwe:
  - CWE-1018
vendor: jeecg
product: jeecg_boot
affected:
  - jeecg_boot <= 3.9.0
published: '2025-12-19'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T11:10:00.203'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-14909'
references:
  - url: >-
      https://github.com/jeecgboot/JeecgBoot/commit/b686f9fbd1917edffe5922c6362c817a9361cfbd
    label: cna@vuldb.com
  - url: 'https://github.com/jeecgboot/JeecgBoot/issues/9195'
    label: cna@vuldb.com
  - url: 'https://github.com/jeecgboot/JeecgBoot/issues/9195#issue-3719368751'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.337433'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.337433'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.715743'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00506
epssPercentile: 0.41418
ingestedAt: '2026-10-13T11:23:51.143Z'
---

## Overview

A weakness has been identified in JeecgBoot up to 3.9.0. The impacted element is the function SysUserOnlineController of the file jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysUserOnlineController.java. Executing manipulation can lead to manage user sessions. The attack can be launched remotely. The exploit has been made available to the public and could be exploited. This patch is called b686f9fbd1917edffe5922c6362c817a9361cfbd. Applying a patch is advised to resolve this issue.

## Affected

- `jeecg_boot <= 3.9.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.