{"action":"Upgrade mcp-atlassian to 0.22.0 or later.","affected":[{"fixed":"0.22.0","introduced":"0"}],"component":"mcp-atlassian","cve_ids":["CVE-2026-73497"],"ecosystem":"PyPI","epss":0.00375,"exploited":false,"fixed_versions":["0.22.0"],"ghsa_id":"GHSA-489g-7rxv-6c8q","id":"tcs_01M5KEXKT3FZKFFQZ1AYY82GGC","modified_at":"2026-09-18T11:56:00.108420927Z","published_at":"2026-07-10T18:01:22Z","references":["https://osv.dev/vulnerability/GHSA-489g-7rxv-6c8q","https://github.com/sooperset/mcp-atlassian/security/advisories/GHSA-489g-7rxv-6c8q","https://github.com/sooperset/mcp-atlassian"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-489g-7rxv-6c8q","url":"https://osv.dev/vulnerability/GHSA-489g-7rxv-6c8q"}],"summary":"MCP Atlassian: DNS-rebinding TOCTOU bypass of the SSRF fix (CVE-2026-27826)"}