CVE-2026-108662

MEDIUM 5.4

JeecgBoot through 3.9.5 Missing Authorization via /sys/tenant/deleteTenantPackUser

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged authenticated users to remove users from tenant product packs via PUT /sys/tenant/deleteTenantPackUser. Attackers can supply arbitrary userId and packId values in the request body to remove any user from any tenant's product pack, revoking permissions such as tenant administrator access.

CWE	CWE-862
Vendor	jeecgboot
Product	jeecgboot
Published	Oct 10, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

Low

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_tenant_pack_user_removal.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/SysTenantController.java#L787-L791 vulncheck.com: https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sys-tenant-deletetenantpackuser

Credits

Yaqi Chao