CVE-2020-14181

CVE-2020-14181 Poc for CVE-2020-14181 Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the /ViewUserHover.jspa endpoint. This vulnerability was discovered by Mikhail Klyuchnikov of Positive...

CVE-2020-14181

CVE-2020-14181 Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the /ViewUserHover.jspa endpoint. This vulnerability was discovered by Mikhail Klyuchnikov of Positive Technologies. Affected...

JIRA Workflow Designer Plugin in Atlassian JIRA Server > 6.3.0 - Remote Code Execution (XXE)

The JIRA Workflow Designer Plugin in Atlassian JIRA Server before 6.3.0 improperly uses an XML parser and deserializer, which allows remote attackers to execute arbitrary code, read arbitrary files, or cause a denial of service via a crafted serialized Java object. id: CVE-2017-5983 info: name:...

Atlassian Jira WallboardServlet <7.13.1 - Cross-Site Scripting

The WallboardServlet resource in Jira before version 7.13.1 allows remote attackers to inject arbitrary HTML or JavaScript via a cross-site scripting vulnerability in the cyclePeriod parameter. id: CVE-2018-20824 info: name: Atlassian Jira WallboardServlet 7.13.1 - Cross-Site Scripting author:...

Atlassian Jira <7.13.3/8.0.0-8.1.1 - Incorrect Authorization

Atlasssian Jira before version 7.13.3 and from version 8.0.0 before version 8.1.1 is susceptible to incorrect authorization. The ManageFilters.jspa resource allows a remote attacker to enumerate usernames via an incorrect authorization check, thus possibly obtaining sensitive information, modifyi...

CVE-2022-0540-RCE

Atlassian Jira Seraph: RCE por bypass de autenticación CVE-2022-0540 Inglés • Chino Detalles del exploit Como se ve en el blog del autor, Atlassian proporcionó una larga lista de complementos afectados la gran mayoría de los cuales eran falsos positivos, y el autor enumeró varios complementos...

CVE-2019-3403

CVE-2019-3403 Quería poder explotar fácilmente CVE-2019-3403 para extraer todos los usuarios de una aplicación JIRA, así que armé este script. No es el código más limpio del mundo, y no maneja solicitudes que devuelvan más de 1000 usuarios simplemente los truncará a los primeros 1000, pero puede...

CVE-2019-11581

Inyección de plantilla no autenticada en Atlassian Jira CVE-2019-11581 I Construcción 1. Versiones afectadas 4.4.x 5.x.x 6.x.x 7.0.x 7.1.x 7.2.x 7.3.x 7.4.x 7.5.x 7.6.x anteriores a 7.6.14 versión corregida para 7.6.x 7.7.x 7.8.x 7.9.x 7.10.x 7.11.x 7.12.x 7.13.x anteriores a 7.13.5 versión...

CVE-2019-11581

CVE-2019-11581 Atlassian JIRA Template injection vulnerability RCE Demo python CVE-2019-11581.py http://xx.xx.xx.xx:8080/ "Command" Vuln Version Download https://product-downloads.atlassian.com/software/jira/downloads/atlassian-jira-software-7.13.0-x64.exe Poc...

MCP Atlassian: SSRF Protection Bypass

Environment- Project: sooperset/mcp-atlassian- Affected function: validateurlforssrf- Affected path: header-based Jira/Confluence URL authentication flow- Tested endpoint: POST /mcp- Tested version: 2.14.5 DescriptionThe SSRF protection in validateurlforssrf can be bypassed with a URL containing ...

mcp-atlassian has an incomplete SSRF remediation

SummaryThe UserTokenMiddleware extracts URLs from X-Atlassian-Jira-Url and X-Atlassian-Confluence-Url HTTP headers and passes them directly to API client constructors without any SSRF validation. Affected Package- Ecosystem: PyPI- Package: mcp-atlassian- Affected versions: all versions before fix...

MCP Atlassian: SSRF via DNS Rebinding in Header-Based Authentication Flow

SummaryThe SSRF protection for header-based authentication uses a validate-then-use pattern vulnerable to DNS rebinding. validateurlforssrf resolves the hostname via DNS and checks that the resolved IP is globally routable. However, the actual HTTP request happens later, during which the DNS reco...

GHSA-HGCF-4MQ8-5266 MCP Atlassian: SSRF Protection Bypass

Environment - Project: sooperset/mcp-atlassian - Affected function: validateurlforssrf - Affected path: header-based Jira/Confluence URL authentication flow - Tested endpoint: POST /mcp - Tested version: 2.14.5 Description The SSRF protection in validateurlforssrf can be bypassed with a URL...

MCP Atlassian: SSRF Protection Bypass

Environment - Project: sooperset/mcp-atlassian - Affected function: validateurlforssrf - Affected path: header-based Jira/Confluence URL authentication flow - Tested endpoint: POST /mcp - Tested version: 2.14.5 Description The SSRF protection in validateurlforssrf can be bypassed with a URL...

GHSA-5WF4-JQXH-8GM3 mcp-atlassian has an incomplete SSRF remediation

Summary The UserTokenMiddleware extracts URLs from X-Atlassian-Jira-Url and X-Atlassian-Confluence-Url HTTP headers and passes them directly to API client constructors without any SSRF validation. Affected Package - Ecosystem: PyPI - Package: mcp-atlassian - Affected versions: all versions before...

mcp-atlassian has an incomplete SSRF remediation

Summary The UserTokenMiddleware extracts URLs from X-Atlassian-Jira-Url and X-Atlassian-Confluence-Url HTTP headers and passes them directly to API client constructors without any SSRF validation. Affected Package - Ecosystem: PyPI - Package: mcp-atlassian - Affected versions: all versions before...

MCP Atlassian: SSRF via DNS Rebinding in Header-Based Authentication Flow

Summary The SSRF protection for header-based authentication uses a validate-then-use pattern vulnerable to DNS rebinding. validateurlforssrf resolves the hostname via DNS and checks that the resolved IP is globally routable. However, the actual HTTP request happens later, during which the DNS...

GHSA-49XV-9743-PW8W MCP Atlassian: SSRF via DNS Rebinding in Header-Based Authentication Flow

Summary The SSRF protection for header-based authentication uses a validate-then-use pattern vulnerable to DNS rebinding. validateurlforssrf resolves the hostname via DNS and checks that the resolved IP is globally routable. However, the actual HTTP request happens later, during which the DNS...

CVE-2026-77265

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, header-supplied Jira or Confluence URLs are resolved and validated before the HTTP client resolves the hostname again for the connection. An unauthenticated caller can use a...

CVE-2026-77267

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, the X-Atlassian-Jira-Url and X-Atlassian-Confluence-Url headers are processed by processauthenticationheaders and used to construct Atlassian fetchers without calling...