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.
References (6)
Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.337433
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.337433
Exploit, Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.715743
Exploit, Issue Tracking, Third Party Advisory issue-tracking
https://github.com/jeecgboot/JeecgBoot/issues/9195
Exploit, Issue Tracking, Third Party Advisory exploit
issue-tracking
https://github.com/jeecgboot/JeecgBoot/issues/9195#issue-3719368751
Scores
CVSS v3
4.3
EPSS
0.0013
EPSS Percentile
32.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-1018
Status
published
Products (1)
jeecg/jeecg_boot
< 3.9.0
Published
Dec 19, 2025
Tracked Since
Feb 18, 2026