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[ CVE-2026-108638 · Published 10 Oct 2026 ]

Vulnerability in JeecgBoot

CVSS 4.3 EPSS <1%No fix listed yet

[ Why it matters ]Priority signals

  • Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]Official description

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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References