CVE-2026-21589
CISA 기관 조치 기한: 2026-10-18
Atlassian Multiple Products
Qualys 위협 인텔 · 심각도 3/5 · QID 735703 · CGI
공개 익스플로잇
측면이동
CISA KEV
h3. Summary
This is a vulnerability in Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center. Crowd Data Center, Crucible and Fisheye. This Arbitrary File Access vulnerability allows an unauthenticated attacker to access specific files within the web application root directory in affected versions. Exploitation requires prior knowledge of the target file's exact name and path; this vulnerability does not allow attackers to enumerate or list directory contents. In some configurations, there may be some sensitive files that make this highly severe.
h3. Context
This vulnerability allows an unauthenticated remote attacker to access specific files within the web application root directory in affected versions.
h3. Details:
* The vulnerability must be addressed for affected versions of:
Bitbucket Data Center, introduced in version >= 4.6.0, fix versions: 9.4.26, 10.2.8, 10.5.1
Confluence Data Center, introduced in version >= 5.10.0, fix versions 9.2.26, 10.2.19
Crowd Data Center, introduced in version >= 2.11.0, fix versions 6.3.7, 7.0.3, 7.1.1, 7.2.4
Jira Software Data Center, introduced in version >= 7.1.0, fix versions 9.12.40, 10.3.26, 11.3.12
Jira Service Management Data Center, introduced in version >= 3.1.0, fix versions 5.12.40, 10.3.26, 11.3.12
Bamboo Data Center >= 7.0.1, fix versions 10.2.24, 12.1.12
Crucible, fix versions 4.9.15
Fisheye, fix version 4.9.15
* Exploitation requires prior knowledge of the target file's exact name and path.
* The vulnerability does not include the capability to enumerate or list directory contents.
This is a vulnerability in Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center. Crowd Data Center, Crucible and Fisheye. This Arbitrary File Access vulnerability allows an unauthenticated attacker to access specific files within the web application root directory in affected versions. Exploitation requires prior knowledge of the target file's exact name and path; this vulnerability does not allow attackers to enumerate or list directory contents. In some configurations, there may be some sensitive files that make this highly severe.
h3. Context
This vulnerability allows an unauthenticated remote attacker to access specific files within the web application root directory in affected versions.
h3. Details:
* The vulnerability must be addressed for affected versions of:
Bitbucket Data Center, introduced in version >= 4.6.0, fix versions: 9.4.26, 10.2.8, 10.5.1
Confluence Data Center, introduced in version >= 5.10.0, fix versions 9.2.26, 10.2.19
Crowd Data Center, introduced in version >= 2.11.0, fix versions 6.3.7, 7.0.3, 7.1.1, 7.2.4
Jira Software Data Center, introduced in version >= 7.1.0, fix versions 9.12.40, 10.3.26, 11.3.12
Jira Service Management Data Center, introduced in version >= 3.1.0, fix versions 5.12.40, 10.3.26, 11.3.12
Bamboo Data Center >= 7.0.1, fix versions 10.2.24, 12.1.12
Crucible, fix versions 4.9.15
Fisheye, fix version 4.9.15
* Exploitation requires prior knowledge of the target file's exact name and path.
* The vulnerability does not include the capability to enumerate or list directory contents.
KEV 필수 조치: 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.
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