Atlassian security advisory (AV26-1076)

Serial number: AV26-1076Date: October 22, 2026 As of October 20, 2026, Atlassian is affected by vulnerabilities in the following products: Bamboo Data Center and Server Version 12.1.12 and prior Version 10.2.24 and prior Bitbucket Data Center and Server Version 10.2.8 and prior Version 10.5.1 and prior Version 9.4.26 and prior Confluence Data Center and Server Version 11.0.0 and prior Version 10.2.19 and prior Version 9.2.26 and prior Crowd Data Center and Server Version 7.2.4 and prior Fisheye/Crucible Version 4.9.15 and prior Jira Service Management Data Center and Server Version 10.3.26 and prior Version 11.3.12 and prior Jira Data Center and Server Version 10.3.26 and prior Version 11.3.12 and prior The Cyber Centre encourages users and administrators to review the provided web links and apply any necessary updates as they become available. Security Bulletin - October 20 2026 Security Advisories & Bulletins