{"action":"Upgrade python-multipart to 0.0.27 or later.","affected":[{"fixed":"0.0.27","introduced":"0"}],"component":"python-multipart","cve_ids":["CVE-2026-42561"],"ecosystem":"PyPI","epss":0.0074,"exploited":false,"fixed_versions":["0.0.27"],"ghsa_id":"GHSA-pp6c-gr5w-3c5g","id":"tcs_01M5KH324G35AH145SH9YRAVCV","modified_at":"2026-07-13T16:33:29.070412322Z","published_at":"2026-07-13T15:15:39.936658Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3039","https://github.com/Kludex/python-multipart/security/advisories/GHSA-pp6c-gr5w-3c5g","https://nvd.nist.gov/vuln/detail/CVE-2026-42561","https://github.com/Kludex/python-multipart","https://pypi.org/project/python-multipart","https://github.com/advisories/GHSA-pp6c-gr5w-3c5g"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-3039","url":"https://osv.dev/vulnerability/PYSEC-2026-3039"}],"summary":"python-multipart has Denial of Service via unbounded multipart part headers"}