CVE-2026-108638mediumCWE-862

CVE-2026-108638: medium-severity vulnerability in JeecgBoot

JeecgBoot through 3.9.5 Missing Authorization via /sys/user/deleteGroupUser

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33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 5.3epss 0.2%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Affected products
jeecgboot · JeecgBoot
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — JeecgBoot

In the same product, most dangerous first.

CVE-2026-58377HIGHJeecgBoot 3.9.2 - Missing Authorization on OpenAPI Credential Management Endpoints Exposes Access/Secret KeysEPSS 0.4%CVE-2026-108623HIGHJeecgBoot through 3.9.5 Missing Authorization via /sys/log/deleteBatchEPSS 0.3%CVE-2026-108648HIGHJeecgBoot through 3.9.5 Missing Authorization via getDynamicDbSourceByCode EndpointEPSS 0.3%CVE-2026-108639MEDIUMJeecgBoot through 3.9.5 Missing Authorization via /sys/dict/deletePhysic/{id}EPSS 0.3%CVE-2026-112017HIGHJeecgBoot before 3.9.5 SQL Injection via SqlInjectionUtil Newline BypassEPSS 0.3%CVE-2026-108671HIGHJeecgBoot through 3.9.5 Missing Authorization via /airag/airagMcp/queryByIdEPSS 0.3%