CVE-2026-108638Medium· 4.3▾ TwilightPoC availableJeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged authenticated users to remove group memberships via the deleteGroupUser handler in SysUserController. Attackers can send DELETE requests wi…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 23.7 · likelihood 0 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Oct 11.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.2%
Last analysed / modified upstream
Exploit / PoC code exists
JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged authenticated users to remove group memberships via the deleteGroupUser handler in SysUserController. Attackers can send DELETE requests with arbitrary groupId and userId values to remove any user from any administrator-maintained user group without ownership or tenant checks.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-108887Medium· 4.3JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysCommentController exportXls handler that allows any authenticated user to export all comments
CVE-2026-108888Medium· 4.3JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysDepartRoleController exportXls handler that allows any authenticated user to export department roles
CVE-2026-108891Medium· 4.3JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysUserController getUserDetailByUserId handler that allows any authenticated user to read other users' details
CVE-2026-108883Medium· 6.5JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the editThirdAppConfig handler that allows any authenticated user to modify third-party application configurations
CVE-2026-108884Medium· 5.4JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysMessageTemplateController delete handler that allows any authenticated user to delete message templates
CVE-2026-108885Medium· 5.4JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysMessageController delete handler that allows low-privileged authenticated users to delete message records