CVE-2026-108876

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

5.3 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: None

Exploit likelihood

0.19%Unchanged since Oct 12, 2026

What each source reports

CVE List Score used 5.3

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

Record: CVE-2026-108876
CVSS 4.0: 5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

EUVDEUVD-2026-97050 5.3

Record: EUVD-2026-97050
CVSS 4.0: 5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-pmhm-r7h7-cxvj 5.3

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the putCancelQuit...

Record: GHSA-pmhm-r7h7-cxvj
CVSS 4.0: 5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

NVD 5.3

Record: CVE-2026-108876
CVSS 4.0: 5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

OSV 5.3

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

Record: CVE-2026-108876
CVSS 4.0: 5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Weakness: CWE-862
Updated: 2026-11-02

Affected products

jeecgboot

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-108876 is a medium vulnerability (CVSS 5.3) in Jeecgboot, published October 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. No source names a fixed version.