Atlassian: >> Jira Service Management >> 4.0.0 Security Vulnerabilities
CVE-2026-21589
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.
Known exploited
CVSS Score
9.3
EPSS Score
0.028
Published
2026-10-05
Affected versions of Atlassian Jira Service Management Server and Data Center allow remote attackers without the "Browse Users" permission to view groups via an Information Disclosure vulnerability in the browsegroups.action endpoint. The affected versions are before version 4.22.2.
CVSS Score
4.3
EPSS Score
0.006
Published
2022-08-03
A vulnerability in Jira Seraph allows a remote, unauthenticated attacker to bypass authentication by sending a specially crafted HTTP request. This affects Atlassian Jira Server and Data Center versions before 8.13.18, versions 8.14.0 and later before 8.20.6, and versions 8.21.0 and later before 8.22.0. This also affects Atlassian Jira Service Management Server and Data Center versions before 4.13.18, versions 4.14.0 and later before 4.20.6, and versions 4.21.0 and later before 4.22.0.
CVSS Score
9.8
EPSS Score
0.881
Published
2022-04-20
Affected versions of Atlassian Jira Service Management Server and Data Center allow attackers with administrator privileges to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in the "Object Schema" field of /secure/admin/InsightDefaultCustomFieldConfig.jspa. The affected versions are before version 4.21.0.
CVSS Score
4.8
EPSS Score
0.004
Published
2022-02-24
Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view the names of private objects via an Improper Authorization vulnerability in the "Move objects" feature. The affected versions are before version 4.21.0.
CVSS Score
4.3
EPSS Score
0.008
Published
2022-02-15
Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view import source configuration information via a Broken Access Control vulnerability in the Insight Import Source feature. The affected versions are before version 4.21.0.
CVSS Score
4.3
EPSS Score
0.008
Published
2022-02-15
Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view private objects via a Broken Access Control vulnerability in the Custom Fields feature. The affected versions are before version 4.21.0.
CVSS Score
4.3
EPSS Score
0.008
Published
2022-01-10
Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view object import configuration details via an Information Disclosure vulnerability in the Create Object type mapping feature. The affected versions are before version 4.21.0.
CVSS Score
4.3
EPSS Score
0.008
Published
2022-01-10