CVE-2026-108647

Medium

Description

JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged authenticated users to create validation rules through the SysCheckRuleController importExcel handler. Attackers can upload a crafted Excel workbook to bypass the system:checkRule:add permission and bulk-create system-wide encoding validation rules with arbitrary regular expression patterns.

SeverityMedium
CVSS4.3
Exploit probability—
ProductJeecgBoot
PublishedOct 10, 2026
First seenOct 10, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
jeecgboot JeecgBootv ≤ 3.9.5—

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CVE-2026-108647 · JeecgBoot · Dark Radar