CVE-2026-73496: Improper Limitation of a Pathname to a Restricted Directory

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, the confluenceuploadattachment and confluenceuploadattachments tools pass a client-controlled filepath through src/mcpatlassian/confluence/attachments.py uploadattachment, and the...