Vulnerabilities (CVE)

Filtered by vendor Atlassian
Filtered by product Confluence Data Center
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Total 37 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2023-22522 1 Atlassian 2 Confluence Data Center, Confluence Server 2026-02-25 N/A 8.8 HIGH
This Template Injection vulnerability allows an authenticated attacker, including one with anonymous access, to inject unsafe user input into a Confluence page. Using this approach, an attacker is able to achieve Remote Code Execution (RCE) on an affected instance. Publicly accessible Confluence Data Center and Server versions as listed below are at risk and require immediate attention. See the advisory for additional details Atlassian Cloud sites are not affected by this vulnerability. If your ...

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CVE-2022-26138 1 Atlassian 3 Confluence Data Center, Confluence Server, Questions For Confluence 2026-01-14 N/A 9.8 CRITICAL
The Atlassian Questions For Confluence app for Confluence Server and Data Center creates a Confluence user account in the confluence-users group with the username disabledsystemuser and a hardcoded password. A remote, unauthenticated attacker with knowledge of the hardcoded password could exploit this to log into Confluence and access all content accessible to users in the confluence-users group. This user account is created when installing versions 2.7.34, 2.7.35, and 3.0.2 of the app.
CVE-2025-22166 1 Atlassian 2 Confluence Data Center, Confluence Server 2025-12-05 N/A 7.5 HIGH
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 ...

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CVE-2023-22515 1 Atlassian 2 Confluence Data Center, Confluence Server 2025-10-24 N/A 9.8 CRITICAL
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 ...

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CVE-2023-22518 1 Atlassian 2 Confluence Data Center, Confluence Server 2025-10-24 N/A 9.8 CRITICAL
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 a ...

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CVE-2023-22527 1 Atlassian 2 Confluence Data Center, Confluence Server 2025-10-24 N/A 9.8 CRITICAL
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 thei ...

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CVE-2021-26084 1 Atlassian 2 Confluence Data Center, Confluence Server 2025-10-24 7.5 HIGH 9.8 CRITICAL
In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are before version 6.13.23, from version 6.14.0 before 7.4.11, from version 7.5.0 before 7.11.6, and from version 7.12.0 before 7.12.5.
CVE-2021-26085 1 Atlassian 2 Confluence Data Center, Confluence Server 2025-10-24 5.0 MEDIUM 5.3 MEDIUM
Affected versions of Atlassian Confluence Server allow remote attackers to view restricted resources via a Pre-Authorization Arbitrary File Read vulnerability in the /s/ endpoint. The affected versions are before version 7.4.10, and from version 7.5.0 before 7.12.3.
CVE-2022-26134 1 Atlassian 2 Confluence Data Center, Confluence Server 2025-10-24 7.5 HIGH 9.8 CRITICAL
In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are from 1.3.0 before 7.4.17, from 7.13.0 before 7.13.7, from 7.14.0 before 7.14.3, from 7.15.0 before 7.15.2, from 7.16.0 before 7.16.4, from 7.17.0 before 7.17.4, and from 7.18.0 before 7.18.1.
CVE-2024-21703 2 Atlassian, Microsoft 3 Confluence Data Center, Confluence Server, Windows 2025-07-30 N/A 6.4 MEDIUM
This Medium severity Security Misconfiguration vulnerability was introduced in version 8.8.1 of Confluence Data Center and Server for Windows installations. This Security Misconfiguration vulnerability, with a CVSS Score of 6.4 allows an authenticated attacker of the Windows host to read sensitive information about the Confluence Data Center configuration which has high impact to confidentiality, high impact to integrity, high impact to availability, and no user interaction. Atlassian rec ...

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CVE-2024-21690 1 Atlassian 2 Confluence Data Center, Confluence Server 2025-07-30 N/A 8.2 HIGH
This High severity Reflected XSS and CSRF (Cross-Site Request Forgery) vulnerability was introduced in versions 7.19.0, 7.20.0, 8.0.0, 8.1.0, 8.2.0, 8.3.0, 8.4.0, 8.5.0, 8.6.0, 8.7.1, 8.8.0, and 8.9.0 of Confluence Data Center and Server. This Reflected XSS and CSRF (Cross-Site Request Forgery) vulnerability, with a CVSS Score of 7.1, allows an unauthenticated attacker to execute arbitrary HTML or JavaScript code on a victims browser and force a end user to execute unwanted actions on a web ...

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CVE-2023-22526 1 Atlassian 2 Confluence Data Center, Confluence Server 2025-06-20 N/A 8.8 HIGH
This High severity RCE (Remote Code Execution) vulnerability was introduced in version 7.19.0 of Confluence Data Center. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 7.2, allows an authenticated attacker to execute arbitrary code which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires no user interaction. Atlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do ...

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CVE-2024-21673 1 Atlassian 2 Confluence Data Center, Confluence Server 2025-06-03 N/A 8.8 HIGH
This High severity Remote Code Execution (RCE) vulnerability was introduced in versions 7.13.0 of Confluence Data Center and Server. Remote Code Execution (RCE) vulnerability, with a CVSS Score of 8.0 and a CVSS Vector of CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H allows an authenticated attacker to expose assets in your environment susceptible to exploitation which has high impact to confidentiality, high impact to integrity, high impact to availability, and does not require user interaction ...

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CVE-2024-21672 1 Atlassian 2 Confluence Data Center, Confluence Server 2025-06-02 N/A 8.8 HIGH
This High severity Remote Code Execution (RCE) vulnerability was introduced in version 2.1.0 of Confluence Data Center and Server. Remote Code Execution (RCE) vulnerability, with a CVSS Score of 8.3 and a CVSS Vector of CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H allows an unauthenticated attacker to remotely expose assets in your environment susceptible to exploitation which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires user interactio ...

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CVE-2024-21683 1 Atlassian 7 Confluence Data Center, Confluence Server, Crucible and 4 more 2025-05-12 N/A 8.8 HIGH
This High severity RCE (Remote Code Execution) vulnerability was introduced in version 5.2 of Confluence Data Center and Server. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 7.2, allows an authenticated attacker to execute arbitrary code which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires no user interaction.  Atlassian recommends that Confluence Data Center and Server customers upgrade to latest version. If you ...

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CVE-2023-22512 1 Atlassian 2 Confluence Data Center, Confluence Server 2025-05-12 N/A 7.5 HIGH
This High severity DoS (Denial of Service) vulnerability was introduced in version 5.6.0 of Confluence Data Center and Server. With a CVSS Score of 7.5, this vulnerability allows an unauthenticated attacker to cause a resource to be unavailable for its intended users by temporarily or indefinitely disrupting services of a vulnerable host (Confluence instance) connected to a network, which has no impact to confidentiality, no impact to integrity, high impact to availability, and requires no user ...

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CVE-2024-21678 1 Atlassian 2 Confluence Data Center, Confluence Server 2025-05-06 N/A 8.5 HIGH
This High severity Stored XSS vulnerability was introduced in version 2.7.0 of Confluence Data Center. This Stored XSS vulnerability, with a CVSS Score of 8.5, allows an authenticated attacker to execute arbitrary HTML or JavaScript code on a victims browser which has high impact to confidentiality, low impact to integrity, no impact to availability, and requires no user interaction. Data Center Atlassian recommends that Confluence Data Center customers upgrade to the latest version. If y ...

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CVE-2022-42977 1 Atlassian 1 Confluence Data Center 2025-04-30 N/A 7.5 HIGH
The Netic User Export add-on before 1.3.5 for Atlassian Confluence has the functionality to generate a list of users in the application, and export it. During export, the HTTP request has a fileName parameter that accepts any file on the system (e.g., an SSH private key) to be downloaded.
CVE-2022-42978 1 Atlassian 1 Confluence Data Center 2025-04-30 N/A 7.5 HIGH
In the Netic User Export add-on before 1.3.5 for Atlassian Confluence, authorization is mishandled. An unauthenticated attacker could access files on the remote system.
CVE-2024-21686 1 Atlassian 2 Confluence Data Center, Confluence Server 2025-03-19 N/A 8.7 HIGH
This High severity Stored XSS vulnerability was introduced in versions 7.13 of Confluence Data Center and Server. This Stored XSS vulnerability, with a CVSS Score of 7.3, allows an authenticated attacker to execute arbitrary HTML or JavaScript code on a victims browser which has high impact to confidentiality, high impact to integrity, no impact to availability, and requires user interaction. Atlassian recommends that Confluence Data Center and Server customers upgrade to latest version, if yo ...

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CVE-2024-21677 1 Atlassian 2 Confluence Data Center, Confluence Server 2025-03-13 N/A 8.8 HIGH
This High severity Path Traversal vulnerability was introduced in version 6.13.0 of Confluence Data Center. This Path Traversal vulnerability, with a CVSS Score of 8.3, allows an unauthenticated attacker to exploit an undefinable vulnerability which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires user interaction. Atlassian recommends that Confluence Data Center and Server customers upgrade to latest version, if you are unable to do so, up ...

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CVE-2020-29444 1 Atlassian 2 Confluence Data Center, Confluence Server 2025-02-12 3.5 LOW 5.4 MEDIUM
Affected versions of Team Calendar in Confluence Server before 7.11.0 allow attackers to inject arbitrary HTML or Javascript via a Cross Site Scripting Vulnerability in admin global setting parameters.
CVE-2024-21674 1 Atlassian 2 Confluence Data Center, Confluence Server 2024-11-21 N/A 7.5 HIGH
This High severity Remote Code Execution (RCE) vulnerability was introduced in version 7.13.0 of Confluence Data Center and Server. Remote Code Execution (RCE) vulnerability, with a CVSS Score of 8.6 and a CVSS Vector of CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N allows an unauthenticated attacker to expose assets in your environment susceptible to exploitation which has high impact to confidentiality, no impact to integrity, no impact to availability, and does not require user interaction. ...

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CVE-2023-22508 1 Atlassian 2 Confluence Data Center, Confluence Server 2024-11-21 N/A 8.8 HIGH
This High severity RCE (Remote Code Execution) vulnerability known as CVE-2023-22508 was introduced in version 6.1.0 of Confluence Data Center & Server. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 8.5, allows an authenticated attacker to execute arbitrary code which has high impact to confidentiality, high impact to integrity, high impact to availability, and no user interaction. Atlassian recommends that you upgrade your instance to avoid this bug using the following op ...

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CVE-2023-22505 1 Atlassian 2 Confluence Data Center, Confluence Server 2024-11-21 N/A 8.8 HIGH
This High severity RCE (Remote Code Execution) vulnerability known as CVE-2023-22505 was introduced in version 8.0.0 of Confluence Data Center & Server. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 8, allows an authenticated attacker to execute arbitrary code which has high impact to confidentiality, high impact to integrity, high impact to availability, and no user interaction. Atlassian recommends that you upgrade your instance to latest version. If you're unable to u ...

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CVE-2023-22503 1 Atlassian 2 Confluence Data Center, Confluence Server 2024-11-21 N/A 5.3 MEDIUM
Affected versions of Atlassian Confluence Server and Data Center allow anonymous remote attackers to view the names of attachments and labels in a private Confluence space. This occurs via an Information Disclosure vulnerability in the macro preview feature. This vulnerability was reported by Rojan Rijal of the Tinder Security Engineering team. The affected versions are before version 7.13.15, from version 7.14.0 before 7.19.7, and from version 7.20.0 before 8.2.0.
CVE-2022-26137 1 Atlassian 11 Bamboo, Bitbucket, Confluence Data Center and 8 more 2024-11-21 N/A 8.8 HIGH
A vulnerability in multiple Atlassian products allows a remote, unauthenticated attacker to cause additional Servlet Filters to be invoked when the application processes requests or responses. Atlassian has confirmed and fixed the only known security issue associated with this vulnerability: Cross-origin resource sharing (CORS) bypass. Sending a specially crafted HTTP request can invoke the Servlet Filter used to respond to CORS requests, resulting in a CORS bypass. An attacker that can trick a ...

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CVE-2022-26136 1 Atlassian 11 Bamboo, Bitbucket, Confluence Data Center and 8 more 2024-11-21 N/A 9.8 CRITICAL
A vulnerability in multiple Atlassian products allows a remote, unauthenticated attacker to bypass Servlet Filters used by first and third party apps. The impact depends on which filters are used by each app, and how the filters are used. This vulnerability can result in authentication bypass and cross-site scripting. Atlassian has released updates that fix the root cause of this vulnerability, but has not exhaustively enumerated all potential consequences of this vulnerability. Atlassian Bamboo ...

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CVE-2021-43940 2 Atlassian, Microsoft 3 Confluence Data Center, Confluence Server, Windows 2024-11-21 6.9 MEDIUM 7.8 HIGH
Affected versions of Atlassian Confluence Server and Data Center allow authenticated local attackers to achieve elevated privileges on the local system via a DLL Hijacking vulnerability in the Confluence installer. This vulnerability only affects installations of Confluence Server and Data Center on Windows. The affected versions are before version 7.4.10, and from version 7.5.0 before 7.12.3.
CVE-2021-39114 1 Atlassian 2 Confluence Data Center, Confluence Server 2024-11-21 6.5 MEDIUM 8.8 HIGH
Affected versions of Atlassian Confluence Server and Data Center allow users with a valid account on a Confluence Data Center instance to execute arbitrary Java code or run arbitrary system commands by injecting an OGNL payload. The affected versions are before version 6.13.23, from version 6.14.0 before 7.4.11, from version 7.5.0 before 7.11.6, and from version 7.12.0 before 7.12.5.
CVE-2021-26072 1 Atlassian 2 Confluence Data Center, Confluence Server 2024-11-21 4.0 MEDIUM 4.3 MEDIUM
The WidgetConnector plugin in Confluence Server and Confluence Data Center before version 5.8.6 allowed remote attackers to manipulate the content of internal network resources via a blind Server-Side Request Forgery (SSRF) vulnerability.
CVE-2020-36290 1 Atlassian 2 Confluence Data Center, Confluence Server 2024-11-21 N/A 5.4 MEDIUM
The Livesearch macro in Confluence Server and Data Center before version 7.4.5, from version 7.5.0 before 7.6.3, and from version 7.7.0 before version 7.7.4 allows remote attackers with permission to edit a page or blog to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the page excerpt functionality.
CVE-2020-29450 1 Atlassian 2 Confluence Data Center, Confluence Server 2024-11-21 4.0 MEDIUM 6.5 MEDIUM
Affected versions of Atlassian Confluence Server and Data Center allow remote attackers to impact the application's availability via a Denial of Service (DoS) vulnerability in the avatar upload feature. The affected versions are before version 7.2.0.
CVE-2020-29448 1 Atlassian 2 Confluence Data Center, Confluence Server 2024-11-21 5.0 MEDIUM 5.3 MEDIUM
The ConfluenceResourceDownloadRewriteRule class in Confluence Server and Confluence Data Center before version 6.13.18, from 6.14.0 before 7.4.6, and from 7.5.0 before 7.8.3 allowed unauthenticated remote attackers to read arbitrary files within WEB-INF and META-INF directories via an incorrect path access check.
CVE-2020-14175 1 Atlassian 2 Confluence Data Center, Confluence Server 2024-11-21 3.5 LOW 5.4 MEDIUM
Affected versions of Atlassian Confluence Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in user macro parameters. The affected versions are before version 7.4.2, and from version 7.5.0 before 7.5.2.
CVE-2018-20239 1 Atlassian 8 Application Links, Confluence Data Center, Confluence Server and 5 more 2024-11-21 3.5 LOW 5.4 MEDIUM
Application Links before version 5.0.11, from version 5.1.0 before 5.2.10, from version 5.3.0 before 5.3.6, from version 5.4.0 before 5.4.12, and from version 6.0.0 before 6.0.4 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the applinkStartingUrl parameter. The product is used as a plugin in various Atlassian products where the following are affected: Confluence before version 6.15.2, Crucible before version 4.7.0, Crowd before v ...

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CVE-2018-20237 1 Atlassian 2 Confluence Data Center, Confluence Server 2024-11-21 4.0 MEDIUM 6.5 MEDIUM
Atlassian Confluence Server and Data Center before version 6.13.1 allows an authenticated user to download a deleted page via the word export feature.