CVE-2026-108637mediumCWE-862

CVE-2026-108637: medium-severity vulnerability in JeecgBoot

JeecgBoot through 3.9.5 Missing Authorization via deleteUserGroupBatch Endpoint

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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 user group members by calling DELETE /sys/user/deleteUserGroupBatch. Attackers can supply any groupId and comma-separated userIds to delete sys_ugroup_user rows without permission or tenant checks, tampering with administrator-maintained groups.
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%