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Griffin Technology PartnersGTP
Severity not suppliedCVE-2026-21589active

Atlassian Multiple Products Files or Directories Accessible to External Parties Vulnerability

Published Not suppliedUpdated Not supplied

Source data

Overview

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.

Impact & technical details

A separate impact classification is not supplied in this record. See the source advisory.

CVSS base score
Not supplied

Affected products

  • Multiple Products

Source guidance

Remediation

  • 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.

Patch availability is not confirmed by this dataset. Consult the vendor before selecting a remediation.

GTP recommendation · Rule-based guidance

Recommended next step

Prioritize an applicability review and follow the vendor mitigations and CISA required action. Confirm update availability with the vendor.

Authoritative sources & updates

Findings and update information come from the linked publishers. GTP compiles the public record and provides the recommendation above. CVSS ratings shown here come from Microsoft. NVD references provide additional public context.

Managed by GTP?

Griffin Technology Partners managed customers may receive additional environment-specific security guidance and remediation assistance through their managed services relationship.

Security bulletins are provided for informational purposes and compiled from authoritative public sources. Vulnerability applicability varies by environment. Validate affected products, configuration, compatibility requirements, and vendor guidance before making production changes.