{"action":"Upgrade python-multipart to 0.0.26 or later.","affected":[{"fixed":"0.0.26","introduced":"0"}],"component":"python-multipart","cve_ids":["CVE-2026-40347"],"ecosystem":"PyPI","epss":0.00351,"exploited":false,"fixed_versions":["0.0.26"],"ghsa_id":"GHSA-mj87-hwqh-73pj","id":"tcs_01M5KFR7F3J1Z2QFY34DBNJ127","modified_at":"2026-09-10T03:51:02.322677211Z","published_at":"2026-04-15T19:45:44Z","references":["https://osv.dev/vulnerability/GHSA-mj87-hwqh-73pj","https://github.com/Kludex/python-multipart/security/advisories/GHSA-mj87-hwqh-73pj","https://nvd.nist.gov/vuln/detail/CVE-2026-40347","https://github.com/Kludex/python-multipart","https://github.com/Kludex/python-multipart/releases/tag/0.0.26"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-mj87-hwqh-73pj","url":"https://osv.dev/vulnerability/GHSA-mj87-hwqh-73pj"}],"summary":"python-multipart affected by Denial of Service via large multipart preamble or epilogue data"}