Atlassian security advisory (AV26-731)

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        <div><p><strong>Serial number: </strong>AV26-731<br /><strong>Date: </strong>July 22, 2026</p>

On July 21, 2026, Atlassian published a security advisory to address vulnerabilities, including some critical ones, in the following products:

  • Bamboo Data Center and Server – multiple versions
  • Bitbucket Data Center and Server – multiple versions
  • Confluence Data Center and Server – multiple versions
  • Crowd Data Center and Server – multiple versions
  • Fisheye/Crucible – versions 4.9.0 to 4.9.11
  • Jira Data Center and Server – multiple versions
  • Jira Service Management Data Center and Server – multiple versions
  • Sourcetree for Mac – all versions from 3.4.11 to 3.4.12
  • Sourcetree for Windows – all versions from 3.4.11 to 3.4.12

The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.

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Article Link: Atlassian security advisory (AV26-731) - Canadian Centre for Cyber Security