What is CVE-2026-5999?

CVE-2026-5999 is a medium-severity vulnerability in Jeecgboot, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-04-10.

How severe is CVE-2026-5999?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Auth bypass in Jeecgboot

CVE-2026-5999

A vulnerability has been found in JeecgBoot up to 3.9.1. This impacts an unknown function of the component SysAnnouncementController. Such manipulation leads to improper authorization. The attack can be launched remotely. The exploit has b…

EPSS: 0.001 (17.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

N/a Jeecgboot — versions 3.9.0, 3.9.1

Weakness classification (CWE)

References

VDB-356553 | JeecgBoot SysAnnouncementController improper authorization (vdb-entry)
VDB-356553 | CTI Indicators (IOB, IOC, TTP) (signature, permissions-required)
Submit #793656 | jeecgboot web 3.9.1 Improper Access Controls (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (issue-tracking)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-5999?: CVE-2026-5999 is a medium-severity vulnerability in Jeecgboot, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-04-10.
How severe is CVE-2026-5999?: Medium severity. CVSS v3 base score is 6.3 out of 10.