Medium severity4.3NVD Advisory· Published Oct 10, 2026
CVE-2026-108647
CVE-2026-108647
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.
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Affected products
1Patches
Vulnerability mechanics
References
3- github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_c084_checkrule_import_xlsx.pynvd
- github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysCheckRuleController.javanvd
- www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sys-checkrule-importexcelnvd
News mentions
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