{"action":"Upgrade mcp-atlassian to 0.17.0 or later.","affected":[{"fixed":"0.17.0","introduced":"0"}],"component":"mcp-atlassian","cve_ids":["CVE-2026-27825"],"ecosystem":"PyPI","epss":0.11498,"exploited":false,"fixed_versions":["0.17.0"],"ghsa_id":"GHSA-xjgw-4wvw-rgm4","id":"tcs_01M5KH9QRMBFBYPTK8ER53NSXP","modified_at":"2026-07-01T20:22:57.483176Z","published_at":"2026-06-29T11:50:45.547276Z","references":["https://osv.dev/vulnerability/PYSEC-2026-408","https://github.com/sooperset/mcp-atlassian/security/advisories/GHSA-xjgw-4wvw-rgm4","https://github.com/sooperset/mcp-atlassian/commit/52b9b0997681e87244b20d58034deae89c91631e","https://github.com/sooperset/mcp-atlassian","https://pypi.org/project/mcp-atlassian","https://github.com/advisories/GHSA-xjgw-4wvw-rgm4","https://nvd.nist.gov/vuln/detail/CVE-2026-27825"],"severity":{"label":"critical","score":9},"sources":[{"source":"osv","source_id":"PYSEC-2026-408","url":"https://osv.dev/vulnerability/PYSEC-2026-408"}],"summary":"MCP Atlassian has an arbitrary file write leading to arbitrary code execution via unconstrained download_path in confluence_download_attachment"}