After upgrading Tomcat the CORS Filter is blocking some resources

Solution Verified - Updated -


  • After upgrading Tomcat, the CORS Filter is blocking some resources.
  • Some requests to resources are returning a HTTP 403 forbidden error.


  • Red Hat Enterprise Linux (RHEL) 7
  • Tomcat 7.0.76-10.el7_7
  • org.apache.catalina.filters.CorsFilter enabled in web.xml

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