{"action":"Upgrade mcp-atlassian to 0.22.0 or later.","affected":[{"fixed":"0.22.0","introduced":"0"}],"component":"mcp-atlassian","cve_ids":["CVE-2026-77262"],"ecosystem":"PyPI","epss":0.00557,"exploited":false,"fixed_versions":["0.22.0"],"ghsa_id":"GHSA-p6hp-93wp-fh6p","id":"tcs_01M5KFSG88CXQNB4V042BYE2X1","modified_at":"2026-10-01T17:55:57.289330996Z","published_at":"2026-09-22T20:35:21Z","references":["https://osv.dev/vulnerability/GHSA-p6hp-93wp-fh6p","https://github.com/sooperset/mcp-atlassian/security/advisories/GHSA-p6hp-93wp-fh6p","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":"high","score":8.6},"sources":[{"source":"osv","source_id":"GHSA-p6hp-93wp-fh6p","url":"https://osv.dev/vulnerability/GHSA-p6hp-93wp-fh6p"}],"summary":"MCP Atlassian: Path Traversal / Arbitrary File Read in confluence_upload_attachment MCP tool (incomplete fix of GHSA-xjgw-4wvw-rgm4)"}