CVE-2026-77271

MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira).

Mcp Atlassian

MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to 0.22.0, validate_safe_path defaults its base directory to os.getcwd(), and affected Confluence attachment call sites omit base_dir, allowing attacker-selected writes within the working directory. This Python module overwrite can provide code execution when the application later imports the modified module, bypassing the remediation tracked as CVE-2026-27825. This…

22. Sep 2026

Ausgewertete Quellen

• NVD
  CVE-2026-77271
• GitHub
  https://github.com/sooperset/mcp-atlassian/security/advisories/GHSA-6vmq-24h2-pj7j