A vulnerability has been discovered in Atlassian Confluence Server and Data Center, which could allow for remote code execution. Confluence is a wiki tool used to help teams collaborate and share knowledge efficiently. Successful exploitation of this vulnerability could allow for remote code execution within the context of the service account used to run the Confluence Server or Data Center service. Depending on the privileges associated with the service account, an attacker could view, change, or delete data. If the service account has been configured to have fewer rights on the system, exploitation of this vulnerability could have less impact than if it was configured with administrative rights.
Read more... Cyber Security Advisories - MS-ISAC