# CVE-2026-108658

## Summary

- **CVE ID:** CVE-2026-108658
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-862
- **Published:** Oct 10, 2026
- **Last Modified:** Oct 10, 2026

## Description

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysTenantController queryTenantAuthInfo handler that allows any authenticated user to read other tenants' records. Low-privileged attackers can iterate small integer tenant ids to retrieve full sys_tenant records, including house numbers used as tenant join codes and company profile fields.

## Affected Products

- jeecgboot — JeecgBoot (0)

## References

- [CNA](https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_tenant_ownership_and_pack_approval.py)
- [CNA](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#L870-L874)
- [CNA](https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sys-tenant-querytenantauthinfo)

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-10-12._