Using #Atlassian products like #Confluence, #Jira or #Bitbucket on-premise?
Critical vulnerability CVE-2026-21589 (CVSS 9.3) lets unauthenticated attackers read known web-root files across 8 Atlassian products. Patch affected self-hosted instances now!
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https://thehackernews.com/2026/10/critical-atlassian-flaw-lets.html