Summary
Atlassian's September 2026 security bulletin addresses 161 vulnerabilities, including 17 critical flaws, across its Data Center and Server products like Confluence, Jira, and Bamboo. These vulnerabilities allow for remote code execution, man-in-the-middle attacks, and unauthorized session takeovers.
Take Action:
If you run Atlassian Data Center or Server products (Bamboo, Bitbucket, Confluence, Crowd, Fisheye/Crucible, Jira, or Jira Service Management), review and update. Almost all products have critical flaws. Until you can patch, keep these systems off the public internet and reachable only from trusted networks. For faster inventory, check the Atlassian Vulnerability Disclosure Portal to confirm which versions you actually have.
Read the full article on BeyondMachines
This article was originally published on BeyondMachines
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