CVE-2026-108876: medium-severity vulnerability in JeecgBoot
JeecgBoot through 3.9.5 Missing Authorization via /sys/user/putCancelQuit
Published · Updated
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.2%
exploitation probability
0.2%top 92% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the putCancelQuit handler of SysUserController, allowing any authenticated user to cancel user resignations. Low-privileged attackers can supply user ids and a tenantId parameter or X-Tenant-Id header to restore ended, pending, or refused tenant memberships to normal.
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 · JeecgBootpublic PoCs found — 1
cve_referencegithub.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_sys_user_cancel_quit.pyunverified⚠ 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-2026-108671HIGHJeecgBoot through 3.9.5 Missing Authorization via /airag/airagMcp/queryByIdEPSS 0.3%CVE-2026-108644MEDIUMJeecgBoot through 3.9.5 Missing Authorization via /sys/category/deleteEPSS 0.3%
References
https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_sys_user_cancel_quit.pyhttps://github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysUserController.java#L1867-L1877https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sys-user-putcancelquit