KNOWN EXPLOITED VULNERABILITY DOSSIER

CVE-2026-21589

Atlassian · Multiple Products

Multiple Atlassian products (Bitbucket Data Center ,Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center, Crowd Data Center, Crucible and Fisheye) contain a files or directories accessible to external parties vulnerability which could allow an unauthenticated attacker to access specific files within the web application root directory in affected versions.

CISA KEV Added: 2026-10-15
Severity Rating: High (CVSS 9)
Legal Indictments: 0 Cases
Catalog Status: Active KEV Mandate

Correlated Federal Court Cases & Indictments (0)

No specific federal indictment in our landmark database directly links to this CVE yet. This vulnerability is monitored under CISA's Known Exploited Vulnerabilities catalog.

Associated Government Advisories

Direct advisory cross-references are being continuously mapped from CISA and allied CERT publications.

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