SecurityThe Hacker Newsabout 2 hours ago
Atlassian Flaw Drawn Within Two Hours
3 min read
Threat actors exploited a critical Atlassian Data Center flaw within two hours of public details. CVE-2026-21589 affects Bitbucket, Confluence, and Jira products, allowing unauthenticated access to sensitive files. Previdian detected 15 exploitation attempts from three IPs in Japan and the U.S. Atlassian recommends immediate patching or temporary mitigation like removing instances from the public internet.
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