Auth bypass in Jeecgboot

CVE-2026-108679

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the sendBusAnnouncement handler of SystemApiController that allows any authenticated user to send announcements without the required permissions. Low-privileged attackers can POST crafted bodies to /sys/api/sendBusAnnouncement with forged sender, recipients, title and content to deliver spoofed admin or system messages for phishing.

Vulnerability class: Broken Access Control

Published .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-108679?
CVE-2026-108679 is a medium-severity vulnerability in Jeecgboot, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-10-10.
How severe is CVE-2026-108679?
Medium severity. CVSS v3 base score is 4.3 out of 10.