Versions of the package sidekiq before 7.1.3 are vulnerable to Denial of Service (DoS) due to insufficient checks in the dashboard-charts.js file. An attacker can exploit this vulnerability by manipulating the localStorage value which will cause excessive polling requests.
https://security.snyk.io/vuln/SNYK-RUBY-SIDEKIQ-5885107
https://github.com/sidekiq/sidekiq/commit/62c90d7c5a7d8a378d79909859d87c2e0702bf89