Atlassian has released a security advisory to address a remote code execution vulnerability (CVE-2022-26134) affecting Confluence Server and Data Center products. An unauthenticated remote attacker could exploit this vulnerability to execute code remotely. Atlassian reports that there is known exploitation of this vulnerability.
There are currently no updates available. Atlassian is working to issue an update. CISA strongly recommends that organizations review Confluence Security Advisory 2022-06-02 for more information. CISA urges organizations with affected Atlassian’s Confluence Server and Data Center products to block all internet traffic to and from those devices until an update is available and successfully applied.