{"cvss":0.0,"datePublished":"","dateUpdated":"","description":"This is a vulnerability in Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo... | Affected: Atlassian / Bamboo Data Center, Bitbucket Data Center, Confluence Data Center, Crowd Data Center, Crucible Data Center, Fisheye Data Center, Jira Service Management Data Center, Jira Software Data Center | CVSS: 9.3 (CRITICAL) | EPSS: 0.99477 | Used in malware: unknown | Listed 9 days ahead of CISA KEV | Not yet in CISA KEV: False","dueDate":"","exploited":true,"id":"CVE-2026-21589","kev_catalogs":["circl"],"knownRansomwareCampaignUse":"","product":"Bamboo Data Center, Bitbucket Data Center, Confluence Data Center, Crowd Data Center, Crucible Data Center, Fisheye Data Center, Jira Service Management Data Center, Jira Software Data Center","severity":"HIGH","source":"circl_kev","title":"CVE-2026-21589","vendor":""}