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CVE-2026-21589: Critical Pre-Authentication File Read Affects Atlassian Data Center Products

🗓️ 08 Oct 2026 22:39:55Reported by Gabi SharadinType 
impervablog
 impervablog
🔗 www.imperva.com👁 4 Views

Unauthenticated remote file read in Atlassian Data Center products via path traversal.

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08 Oct 2026 22:39Current
7.4High risk
Vulners AI Score7.4
CVSS 49.3
EPSS0.01773
SSVC
4