CVE-2026-77267

The MCP Atlassian server (a Model Context Protocol server for Confluence and Jira) is vulnerable to Server-Side Request Forgery (SSRF) in versions prior to 0.22.0 . The root cause is that the _process_authentication_headers function processes X-Atlassian-Jira-Url and X-Atlassian-Confluence-Url he...