CVE-2026-108876

MEDIUM 4.3

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

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-862
Vendor	jeecgboot
Product	jeecgboot
Published	Oct 11, 2026

Stay Ahead of the Next One

Get instant alerts for jeecgboot jeecgboot

Be the first to know when new medium vulnerabilities affecting jeecgboot jeecgboot are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Affected Versions

jeecgboot / JeecgBoot

0 ≤ 3.9.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_sys_user_cancel_quit.py github.com: https://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-L1877 vulncheck.com: https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sys-user-putcancelquit

Credits

Yaqi Chao