CISA Adds Atlassian CVE-2026-21589 to Known Exploited Vulnerabilities Catalog
CISA added CVE-2026-21589, a vulnerability in multiple Atlassian products that exposes files or directories to external parties, to its Known Exploited Vulnerabilities Catalog based on evidence of active exploitation. BOD 26-04 requires federal civilian agencies to prioritize rapid remediation of KEV-listed vulnerabilities on publicly exposed assets.
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