CRITICALVulnerability
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.
Properties
- product
- Multiple Products
- vulnerabilityName
- Atlassian Multiple Products Files or Directories Accessible to External Parties Vulnerability
- epss_score
- 0.02777
- dueDate
- 2026-10-18
- retrieved_at
- 2026-10-16T02:57:35+00:00
- requiredAction
- 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 discon
- dateAdded
- 2026-10-15
- last_source
- FIRST EPSS
- cve_id
- CVE-2026-21589
- signal_observed_at
- 2026-10-15T22:53:23+00:00
- vendorProject
- Atlassian
- epss_percentile
- 0.86118
Related Entities (3)
ENRICHED_BY (1)
→[Source]FIRST EPSS
INVOLVES (1)
←[Signal]
KNOWN_EXPLOITED (1)
→[Source]CISA KEV
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