CVE-2026-53404

CVE-2026-53404 vulnerability in Apache Tomcat affects certain versions of Atlassian Jira Software Data Center.  Atlassian recommends that Jira Software Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: * Jira Software Data Center 10.3: Upgrade to a release greater than or equal to 10.3.23 * Jira Software Data Center 11.3: Upgrade to a release greater than or equal to 11.3.8 See the release notes ([https://www.atlassian.com/software/jira/download-archives]). You can download the latest version of Jira Software Data Center from the download center ([https://www.atlassian.com/software/jira/download-archives]).

EPSS 0.65% · 50.6th percentile