Atlassian Data Center Flaw Draws Exploitation Attempts Within Two Hours of Public Details

T2Covered by 1 source · first reported by The Hacker News at 07 Oct, 11:49 UTC

Threat actors have begun to exploit a newly disclosed critical security flaw impacting Atlassian Data Center products that could allow access to sensitive files under certain conditions. The arbitrary file access flaw, tracked as CVE-2026-21589 (CVSS score: 9.3) affects multiple products, including…

cloudsecurity

Sources

• T2Atlassian Data Center Flaw Draws Exploitation Attempts Within Two Hours of Public DetailsThe Hacker News07 Oct, 11:49

Vulnerabilities

• CVE-2026-21589