NewsExploited · CISA KEVAtlassian · Multiple Products
Atlassian Multiple Products Files or Directories Accessible to External Parties Vulnerability
CVE-2026-21589
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's required action · due for U.S. federal civilian agencies
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Cited by CISA: confluence.atlassian.com · nvd.nist.gov
Added to KEV · Source checked · CISA KEV entry
Loading voting…