There is an injection vulnerability in jeecg boot versions 3.0.0 to 3.5.3 due to lax character filtering, which allows attackers to execute arbitrary code on components through specially crafted HTTP requests.
A command injection vulnerability in the component /jmreport/show of jeecg boot v3.0.0 to v3.5.3 allows attackers to execute arbitrary code via a crafted HTTP request.