Critical Atlassian Flaw CVE-2026-21589 Hits Eight Products and Lands on CISA’s Exploited List

Дата публикации: 16-10-2026 10:04:27

A critical vulnerability in several Atlassian products is now on the U.S. Cybersecurity and Infrastructure Security Agency’s (CISA) Known Exploited Vulnerabilities (KEV) catalog. Tracked as CVE-2026-21589 (CVSS 9.3), the flaw falls under CWE-552, files or directories accessible to external parties. It could allow an unauthenticated remote attacker to reach specific files inside the web application […]

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