What is CVE-2026-108657?

CVE-2026-108657 is a high-severity vulnerability in Jeecgboot, classified under Missing Authorization. CVSS score: 8.1/10. Published 2026-10-10.

How severe is CVE-2026-108657?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Jeecgboot

CVE-2026-108657

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysTenantController passApply handler that allows any authenticated user to approve tenant administrator applications. Attackers can file a pending application via doApplyTenantPackUser and approve it through PUT /sys/tenant/passApply to gain tenant administrator pack permissions in any tenant.

Vulnerability class: Broken Access Control

Published 2026-10-10.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Jeecgboot

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b… (exploit)
github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/je… (technical-description)
www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-… (third-party-advisory)

Frequently asked questions

What is CVE-2026-108657?: CVE-2026-108657 is a high-severity vulnerability in Jeecgboot, classified under Missing Authorization. CVSS score: 8.1/10. Published 2026-10-10.
How severe is CVE-2026-108657?: High severity. CVSS v3 base score is 8.1 out of 10.