CVE Intelligence

Atlassian vulnerabilities

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Published CVEs affecting Atlassian products: 34 record(s), with severity, exploitation and fixes.

Exploited only (KEV) →

CVE-2026-21589 High · 7.5 KEV High · 64 Public exploit CWE-552 Oct 5, 2026
Atlassian Multiple Products Files or Directories Accessible to External Parties Vulnerability
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.
CVE-2026-21584 High · 8.1 CWE-285 Aug 18, 2026
Improper Authorization in Atlassian Bamboo
This High severity Improper Authorization vulnerability was introduced in versions 10.0.0, 10.1.0, 10.2.0, 11.0.0, 12.0.0, and 12.1.0 of Bamboo Data Center. This Improper Authorization vulnerability, with a CVSS Score of 7.6, allows an authenticated attacker to gain unintended access and can lead to the exposure of resources or functionality, possibly providing attackers with sensitive information or even execute arbitrary code. Atlassian recommends that Bamboo Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: * Bamboo Data Center 10.2: Upgrade to a release greater than or equal to 10.2.22 * Bamboo Data Center 12.1: Upgrade to a release greater than or equal to 12.1.10 See the release notes (https://confluence.atlassian.com/bambooreleases/bamboo-release-notes-1189793869.html). You can download the latest version of Bamboo Data Center from the download center (https://www.atlassian.com/software/bamboo/download-archives). This vulnerability was reported via our Penetration Testing program.
CVE-2026-21579 High · 7.5 CWE-200 Jul 21, 2026
Exposure of Sensitive Information in Atlassian Confluence Data Center
This High severity Information Disclosure vulnerability was introduced in versions 7.17.0, 7.19.0, 8.5.0, 8.9.0, 9.0.1, 9.1.0, 9.2.0, 10.0.2, 10.1.0, and 10.2.0 of Confluence Data Center. This Information Disclosure vulnerability, with a CVSS Score of 8.2, allows an unauthenticated attacker to view sensitive information via an Information Disclosure vulnerability. Atlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Confluence Data Center 9.2: Upgrade to a release greater than or equal to 9.2.22 Confluence Data Center 10.2: Upgrade to a release greater than or equal to 10.2.14 See the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]). This vulnerability was reported via our Atlassian (Internal) program.
CVE-2026-21577 Medium · 6.5 CWE-400 Jul 21, 2026
Uncontrolled Resource Consumption in Atlassian Confluence Data Center
This High severity DoS (Denial of Service) vulnerability was introduced in versions 9.0.1, 9.1.0, 9.2.0, 9.3.1, 9.4.0, 9.5.1, 10.0.2, 10.1.0 and 10.2.0 of Confluence Data Center. This DoS (Denial of Service) vulnerability, with a CVSS Score of 7.1, allows an authenticated attacker to cause a resource to be unavailable for its intended users by temporarily or indefinitely disrupting services of a host connected to a network. Atlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Confluence Data Center 9.2: Upgrade to a release greater than or equal to 9.2.17 Confluence Data Center 10.2: Upgrade to a release greater than or equal to 10.2.7 See the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]). This vulnerability was reported via our Penetration Testing program.
CVE-2026-21575 High · 8.0 CWE-94 Jul 21, 2026
Code Injection in Atlassian Sourcetree
This High severity RCE (Remote Code Execution) vulnerability was introduced in version 3.4.11 of Sourcetree for Mac and Sourcetree for Windows. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 7.1, allows an authenticated attacker to execute arbitrary code which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires user interaction. Atlassian recommends that Sourcetree for Mac and Sourcetree for Windows customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: * Sourcetree for Mac and Sourcetree for Windows 3.4: Upgrade to a release greater than or equal to 3.4.13 See the release notes (https://www.sourcetreeapp.com/download-archives). You can download the latest version of Sourcetree for Mac and Sourcetree for Windows from the download center (https://www.sourcetreeapp.com/download-archives). This vulnerability was reported via our Bug Bounty program.
CVE-2026-21571 High · 8.8 CWE-78 Apr 21, 2026
OS Command Injection in Atlassian Bamboo
This Critical severity OS Command Injection vulnerability was introduced in versions 9.6.0, 10.0.0, 10.1.0, 10.2.0, 11.0.0, 11.1.0, 12.0.0, and 12.1.0 of Bamboo Data Center.   This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 9.4 and a CVSS Vector of CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H allows an authenticated attacker to execute commands on the remote system, which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires no user interaction.   Atlassian recommends that Bamboo Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Bamboo Data Center 9.6.0: Upgrade to a release greater than or equal to 9.6.25 Bamboo Data Center 10.2: Upgrade to a release greater than or equal to 10.2.18  Bamboo Data Center 12.1: Upgrade to a release greater than or equal to 12.1.6 See the release notes ([https://confluence.atlassian.com/bambooreleases/bamboo-release-notes-1189793869.html]). You can download the latest version of Bamboo Data Center from the download center ([https://www.atlassian.com/software/bamboo/download-archives]).
CVE-2026-21570 High · 8.8 CWE-94 Mar 17, 2026
Code Injection in Atlassian Bamboo
This High severity RCE (Remote Code Execution)  vulnerability was introduced in versions 9.6.0, 10.0.0, 10.1.0, 10.2.0, 11.0.0, 11.1.0, 12.0.0, and 12.1.0 of Bamboo Data Center. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 8.6, allows an authenticated attacker to execute malicious code on the remote system. Atlassian recommends that Bamboo Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Bamboo Data Center 9.6: Upgrade to a release greater than or equal to 9.6.24 Bamboo Data Center 10.2: Upgrade to a release greater than or equal to 10.2.16 Bamboo Data Center 12.1: Upgrade to a release greater than or equal to 12.1.3 See the release notes ([https://confluence.atlassian.com/bambooreleases/bamboo-release-notes-1189793869.html]). You can download the latest version of Bamboo Data Center from the download center ([https://www.atlassian.com/software/bamboo/download-archives]). This vulnerability was reported via our Atlassian (Internal) program.
CVE-2026-21569 High · 7.9 CWE-611 Jan 27, 2026
XML External Entity (XXE) in Atlassian Crowd
This High severity XXE (XML External Entity Injection) vulnerability was introduced in version 7.1.0 of Crowd Data Center and Server. This XXE (XML External Entity Injection) vulnerability, with a CVSS Score of 7.9, allows an authenticated attacker to access local and remote content which has high impact to confidentiality, low impact to integrity, high impact to availability, and requires no user interaction. Atlassian recommends that Crowd Data Center and Server customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: * Crowd Data Center and Server 7.1: Upgrade to a release greater than or equal to 7.1.3 See the release notes (https://confluence.atlassian.com/crowd/crowd-release-notes-199094.html). You can download the latest version of Crowd Data Center and Server from the download center (https://www.atlassian.com/software/crowd/download-archive). This vulnerability was reported via our Atlassian (Internal) program.
CVE-2025-22178 Medium · 4.3 CWE-862 Oct 22, 2025
Missing Authorization in Atlassian Jira Align
Jira Align is vulnerable to an authorization issue. A low-privilege user can access unexpected endpoints that disclose a small amount of sensitive information. For example, a low-level user was able to view items on the "Why" page.
CVE-2025-22177 Medium · 4.3 CWE-285 Oct 22, 2025
Improper Authorization in Atlassian Jira Align
Jira Align is vulnerable to an authorization issue. A low-privilege user can access unexpected endpoints that disclose a small amount of sensitive information. For example, a low-level user was able to view other team overviews.
CVE-2025-22176 Medium · 4.3 CWE-285 Oct 22, 2025
Improper Authorization in Atlassian Jira Align
Jira Align is vulnerable to an authorization issue. A low-privilege user can access unexpected endpoints that disclose a small amount of sensitive information. For example, a low-level user was able to view audit log items.
CVE-2025-22175 Medium · 5.4 CWE-285 Oct 22, 2025
Improper Authorization in Atlassian Jira Align
Jira Align is vulnerable to an authorization issue. A low-privilege user can access unexpected endpoints that disclose a small amount of sensitive information. For example, a low-level user was able to modify the steps of another user's private checklist.
CVE-2025-22174 Medium · 4.3 CWE-285 Oct 22, 2025
Improper Authorization in Atlassian Jira Align
Jira Align is vulnerable to an authorization issue. A low-privilege user can access unexpected endpoints that disclose a small amount of sensitive information. For example, a low-level user was able to view portfolio rooms without the required permission.
CVE-2025-22173 Medium · 4.3 CWE-285 Oct 22, 2025
Improper Authorization in Atlassian Jira Align
Jira Align is vulnerable to an authorization issue. A low-privilege user can access unexpected endpoints that disclose a small amount of sensitive information. For example, a low-level user was able to view certain sprint data without the required permission.
CVE-2025-22172 Medium · 4.3 CWE-285 Oct 22, 2025
Improper Authorization in Atlassian Jira Align
Jira Align is vulnerable to an authorization issue. A low-privilege user can access unexpected endpoints that disclose a small amount of sensitive information. For example, a low-level user was able to read external reports without the required permission.
CVE-2025-22171 Medium · 4.3 CWE-285 Oct 22, 2025
Improper Authorization in Atlassian Jira Align
Jira Align is vulnerable to an authorization issue. A low-privilege user is able to alter the private checklists of other users.
CVE-2025-22170 Medium · 4.3 CWE-285 Oct 22, 2025
Improper Authorization in Atlassian Jira Align
Jira Align is vulnerable to an authorization issue. A low-privilege user without sufficient privileges to perform an action could if they included a particular state-related parameter of a user with sufficient privileges to perform the action.
CVE-2025-22169 Medium · 5.4 CWE-285 Oct 22, 2025
Improper Authorization in Atlassian Jira Align
Jira Align is vulnerable to an authorization issue. A low-privilege user can access unexpected endpoints that disclose a small amount of sensitive information. For example, a low-level user was able to subscribe to an item/object without having the expected permission level.
CVE-2025-22168 Medium · 4.3 CWE-285 Oct 22, 2025
Improper Authorization in Atlassian Jira Align
Jira Align is vulnerable to an authorization issue. A low-privilege user can access unexpected endpoints that disclose a small amount of sensitive information. For example, a low-level user was able to read the steps of another user's private checklist.
CVE-2025-22167 Medium · 6.5 CWE-22 Oct 21, 2025
Path Traversal in Atlassian Jira Data Center
This High severity Path Traversal (Arbitrary Write) vulnerability was introduced in versions: 9.12.0, 10.3.0 and remain present in 11.0.0 of Jira Software Data Center and Server. This Path Traversal (Arbitrary Write) vulnerability, with a CVSS Score of 8.7, allows an attacker to modify any filesystem path writable by the Jira JVM process. Atlassian recommends that Jira Software Data Center and Server customers upgrade to the latest version; if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Jira Software Data Center and Server 9.12: Upgrade to a release greater than or equal to 9.12.28 Jira Software Data Center and Server 10.3: Upgrade to a release greater than or equal to 10.3.12 Jira Software Data Center and Server 11.0: Upgrade to a release greater than or equal to 11.1.0 See the release notes. You can download the latest version of Jira Software Data Center and Server from the download center. This vulnerability was reported via our Atlassian (Internal) program.
CVE-2025-22166 High · 7.5 CWE-405 Oct 21, 2025
This High severity DoS (Denial of Service) vulnerability was introduced in version 2.0…
This High severity DoS (Denial of Service) vulnerability was introduced in version 2.0 of Confluence Data Center. This DoS (Denial of Service) vulnerability, with a CVSS Score of 8.3, allows an attacker to cause a resource to be unavailable for its intended users by temporarily or indefinitely disrupting services of a host connected to a network. Atlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Confluence Data Center and Server 8.5: Upgrade to a release greater than or equal to 8.5.25 Confluence Data Center and Server 9.2: Upgrade to a release greater than or equal to 9.2.7 Confluence Data Center and Server 10.0: Upgrade to a release greater than or equal to 10.0.2 See the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]). This vulnerability was reported via our Atlassian (Internal) program.
CVE-2023-22527 Critical · 9.8 KEV Urgent · 93 Public exploit Ransomware CWE-74 Jan 16, 2024
Atlassian Confluence Data Center and Server Template Injection Vulnerability
A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using an affected version must take immediate action. Most recent supported versions of Confluence Data Center and Server are not affected by this vulnerability as it was ultimately mitigated during regular version updates. However, Atlassian recommends that customers take care to install the latest version to protect their instances from non-critical vulnerabilities outlined in Atlassian’s January Security Bulletin.
CVE-2023-22518 Critical · 9.8 KEV Urgent · 93 Public exploit Ransomware CWE-863 Oct 31, 2023
Atlassian Confluence Data Center and Server Improper Authorization Vulnerability
All versions of Confluence Data Center and Server are affected by this unexploited vulnerability. This Improper Authorization vulnerability allows an unauthenticated attacker to reset Confluence and create a Confluence instance administrator account. Using this account, an attacker can then perform all administrative actions that are available to Confluence instance administrator leading to - but not limited to - full loss of confidentiality, integrity and availability.  Atlassian Cloud sites are not affected by this vulnerability. If your Confluence site is accessed via an atlassian.net domain, it is hosted by Atlassian and is not vulnerable to this issue.
CVE-2023-22515 Critical · 9.8 KEV Urgent · 93 Public exploit Ransomware CWE-20 Oct 4, 2023
Atlassian Confluence Data Center and Server Broken Access Control Vulnerability
Atlassian has been made aware of an issue reported by a handful of customers where external attackers may have exploited a previously unknown vulnerability in publicly accessible Confluence Data Center and Server instances to create unauthorized Confluence administrator accounts and access Confluence instances. Atlassian Cloud sites are not affected by this vulnerability. If your Confluence site is accessed via an atlassian.net domain, it is hosted by Atlassian and is not vulnerable to this issue.
CVE-2022-36804 High · 8.8 KEV Urgent · 76 Public exploit CWE-78 Aug 25, 2022
Atlassian Bitbucket Server and Data Center Command Injection Vulnerability
Multiple API endpoints in Atlassian Bitbucket Server and Data Center 7.0.0 before version 7.6.17, from version 7.7.0 before version 7.17.10, from version 7.18.0 before version 7.21.4, from version 8.0.0 before version 8.0.3, from version 8.1.0 before version 8.1.3, and from version 8.2.0 before version 8.2.2, and from version 8.3.0 before 8.3.1 allows remote attackers with read permissions to a public or private Bitbucket repository to execute arbitrary code by sending a malicious HTTP request. This vulnerability was reported via our Bug Bounty Program by TheGrandPew.