CyberRota Analysis
AI-GeneratedThe vulnerability affects the upload_attachment functionality in MCP Atlassian servers for Confluence and Jira, allowing unauthorized access to sensitive local files due to an unconstrained file_path parameter. This can lead to the exposure of confidential information, posing a significant risk to organizations using these products. Administrators of affected Atlassian installations should prioritize upgrading to version 0.22.0 to mitigate this high-severity issue.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to 0.22.0, the Confluence and Jira upload_attachment implementations accept an unconstrained file_path and open the referenced server-local file. A permitted MCP caller can upload sensitive host files to an Atlassian destination and then retrieve their contents. The advisory traces the vulnerable input and processing flow through upload_attachment, file_path, and CVE-2026-27825, which identify the affected entry points, controls, and code paths. This issue is fixed in version 0.22.0.
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