SecurityThe Hacker Newsabout 2 hours ago
Atlassian Patching Critical File Read Flaw
4 min read
Atlassian disclosed a critical flaw, CVE-2026-21589, on October 5, rating it 9.3 out of 10. The vulnerability affects eight Data Center products, allowing unauthenticated attackers to read specific files. While cloud products are patched, self-hosted instances require immediate offline status or network restrictions until fixed versions are applied.
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