CVE-2026-21589
一分钟漏洞结论
影响对象
Atlassian Bamboo Data Center
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
摘要 该漏洞存在于 Bitbucket Data Center、Confluence Data Center、Jira Service Management Data Center、Jira Software Data Center、Bamboo Data Center、Crowd Data Center、Crucible 和 Fisheye 中。此任意文件访问漏洞允许未经身份验证的攻击者在受影响版本中访问 Web 应用程序根目录中的特定文件。利用此漏洞需要攻击者事先知道目标文件的精确名称和路径；该漏洞不允许攻击者
已观察到在野利用
github_trending · medium
可能的 ATT&CK 技术 1 AI
T1530 · Data from Cloud Storage影响版本矩阵 27
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Atlassian | Bamboo Data Center | All other versions |
affected |
Patch version 10.2.24 and later |
unaffected | ||
Patch version 12.1.12 and later |
unaffected | ||
| Atlassian | Bitbucket Data Center | All other versions |
affected |
Patch version 10.2.8 and later |
unaffected | ||
Patch version 10.5.1 and later |
unaffected | ||
Patch version 9.4.26 and later |
unaffected | ||
| Atlassian | Confluence Data Center | All other versions |
affected |
Patch version 10.2.19 and later |
unaffected | ||
Patch version 9.2.26 and later |
unaffected | ||
| Atlassian | Crowd Data Center | All other versions |
affected |
Patch version 7.2.4 and later |
unaffected | ||
Patch version 7.1.7 and later |
unaffected | ||
Patch version 7.0.3 and later |
unaffected | ||
Patch version 6.3.7 and later |
unaffected | ||
| Atlassian | Crucible Data Center | All other versions |
affected |
Patch version 4.9.15 and later |
unaffected | ||
| Atlassian | Fisheye Data Center | All other versions |
affected |
Patch version 4.9.15 and later |
unaffected | ||
| Atlassian | Jira Service Management Data Center | All other versions |
affected |
Patch version 11.3.12 and later |
unaffected | ||
Patch version 10.3.26 and later |
unaffected | ||
Patch version 5.12.40 and later |
unaffected | ||
| Atlassian | Jira Software Data Center | All other versions |
affected |
Patch version 11.3.12 and later |
unaffected | ||
Patch version 10.3.26 and later |
unaffected | ||
Patch version 9.12.40 and later |
unaffected |
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一、 漏洞 CVE-2026-21589 基础信息
漏洞信息
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Vulnerability Title
N/A
来源: CVE Program / CVE List V5
Vulnerability Description
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. This vulnerability allows an unauthenticated remote attacker to access specific files within the web application root directory in affected versions. 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, 7.1.7, 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.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Atlassian | Bamboo Data Center | All other versions | - |
|
| Atlassian | Bitbucket Data Center | All other versions | - |
|
| Atlassian | Confluence Data Center | All other versions | - |
|
| Atlassian | Crowd Data Center | All other versions | - |
|
| Atlassian | Crucible Data Center | All other versions | - |
|
| Atlassian | Fisheye Data Center | All other versions | - |
|
| Atlassian | Jira Service Management Data Center | All other versions | - |
|
| Atlassian | Jira Software Data Center | All other versions | - |
|
二、漏洞 CVE-2026-21589 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-21589 补丁与修复 (3)
CVE-2026-21589 厂商安全公告 (4)
CVE-2026-21589 其他参考 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2026-21589
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