Apache Tomcat Exposure of Sensitive Information to an Unauthorized Actor Vulnerability - CVE-2021-25122
When responding to new h2c connection requests Apache Tomcat versions 10.0.0-M1 to 10.0.0 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A39s request.