MCPwnfluence

MCPwnfluence — CVE-2026-27825 与 CVE-2026-27826 mcp-atlassian 中的两个严重漏洞，该服务器是生态系统中广受欢迎的 MCP 服务器之一（GitHub 星标 4.4K+，下载量 400 万+）。 由 Pluto Security 团队发现。 漏洞详情 CVE| CVSS| 类型| 描述 ---|---|---|--- CVE-2026-27825| 9.1 严重| 任意文件写入 / RCE| 附件下载中的路径遍历漏洞，允许向主机文件系统写入任意文件 CVE-2026-27826| 8.2 高危| 通过 Header 注入实现 SSRF...

CVE-2026-27825

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to version 0.17.0, the confluencedownloadattachment MCP tool accepts a downloadpath parameter that is written to without any directory boundary enforcement. An attacker who can call this tool an...

CVE-2026-27825 MCP Atlassian has an arbitrary file write leading to arbitrary code execution via unconstrained download_path in confluence_download_attachment

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to version 0.17.0, the confluencedownloadattachment MCP tool accepts a downloadpath parameter that is written to without any directory boundary enforcement. An attacker who can call this tool an...

PT-2026-22386

Name of the Vulnerable Software and Affected Versions mcp-atlassian affected versions not specified Description The software contains a critical unauthenticated remote code execution RCE and server-side request forgery SSRF issue. The RCE is a result of arbitrary file write, leading to arbitrary...

CVE-2026-27825

creationtimestamp| type| source ---|---|--- 2026-02-24 11:57:12+00:00| published-proof-of-concept| https://github.com/sooperset/mcp-atlassian/security/advisories/GHSA-xjgw-4wvw-rgm4 2026-03-10 19:10:06+00:00| seen| https://gist.github.com/alon710/318772c839d4af9a91549fceab76247e 2026-03-10...