All vulnerabilities
CVE-2026-108647

JeecgBoot through 3.9.5 Missing Authorization via /sys/checkRule/importExcel

jeecgboot JeecgBoot
Open in ThreatlineRecord JSON
CVSS
5.3Medium
ExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 18 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.26%Chance of exploitation activity in the next 30 days, higher than 17% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published10 Oct 2026Updated 18 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

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.

Text from CVE List

Affected versions 1

  • JeecgBootaffected: all versions through 3.9.5CVE List

References 3