{"action":"Upgrade mcp-atlassian to 0.22.0 or later.","affected":[{"fixed":"0.22.0","introduced":"0"}],"component":"mcp-atlassian","cve_ids":["CVE-2026-77269"],"ecosystem":"PyPI","epss":0.0043,"exploited":false,"fixed_versions":["0.22.0"],"ghsa_id":"GHSA-h7wj-5v37-59r2","id":"tcs_01M5KFK5G50W96NWQQC2YM7JQX","modified_at":"2026-10-01T17:55:48.897968190Z","published_at":"2026-09-22T20:35:03Z","references":["https://osv.dev/vulnerability/GHSA-h7wj-5v37-59r2","https://github.com/sooperset/mcp-atlassian/security/advisories/GHSA-h7wj-5v37-59r2","https://github.com/sooperset/mcp-atlassian/pull/1448","https://github.com/sooperset/mcp-atlassian/commit/b041733473f95119dd539542a43c280737a8e460","https://github.com/sooperset/mcp-atlassian","https://github.com/sooperset/mcp-atlassian/releases/tag/v0.22.0"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-h7wj-5v37-59r2","url":"https://osv.dev/vulnerability/GHSA-h7wj-5v37-59r2"}],"summary":"MCP Atlassian: Path traversal in upload_attachment allows arbitrary file read (incomplete fix for CVE-2026-27825)"}