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.
Affected products
jeecg: jeecg boot
References6
- github.com/jeecgboot/JeecgBoot/commit/b686f9fbd1917edffe5922c63… Patch
- github.com/jeecgboot/JeecgBoot/issues/9195 ExploitIssue TrackingThird Party Advisory
- github.com/jeecgboot/JeecgBoot/issues/9195#issue-3719368751 ExploitIssue TrackingThird Party Advisory
- vuldb.com/?submit.715743 ExploitThird Party AdvisoryVDB Entry
- vuldb.com/?ctiid.337433 Permissions RequiredVDB Entry
- vuldb.com/?id.337433 Third Party AdvisoryVDB Entry
Metrics
- CVSS 3.1
-
8.1
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H - CVSS 4.0
-
2.1
LOW
Score source: CNA
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 1% percentile: 44 · as of 11 November 2026
- CWE
- CWE-1018
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.