{"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_01M5KH31ZWRHDR7BT6TTHK5MRN","modified_at":"2026-07-13T16:33:29.086443165Z","published_at":"2026-07-13T15:02:48.004841Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3038","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","https://pypi.org/project/python-multipart","https://github.com/advisories/GHSA-mj87-hwqh-73pj"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"PYSEC-2026-3038","url":"https://osv.dev/vulnerability/PYSEC-2026-3038"}],"summary":"python-multipart affected by Denial of Service via large multipart preamble or epilogue data"}