{"action":"Upgrade multipart to 1.2.2 or later.","affected":[{"fixed":"1.3.1","introduced":"1.3.0"},{"fixed":"1.2.2","introduced":"0"}],"component":"multipart","cve_ids":["CVE-2026-28356"],"ecosystem":"PyPI","epss":0.01066,"exploited":false,"fixed_versions":["1.3.1","1.2.2"],"ghsa_id":"GHSA-p2m9-wcp5-6qw3","id":"tcs_01M5KFS2VRKXSXB07HANN63YFP","modified_at":"2026-09-10T03:50:40.128718246Z","published_at":"2026-03-12T18:32:18Z","references":["https://osv.dev/vulnerability/GHSA-p2m9-wcp5-6qw3","https://github.com/defnull/multipart/security/advisories/GHSA-p2m9-wcp5-6qw3","https://nvd.nist.gov/vuln/detail/CVE-2026-28356","https://github.com/defnull/multipart"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-p2m9-wcp5-6qw3","url":"https://osv.dev/vulnerability/GHSA-p2m9-wcp5-6qw3"}],"summary":"multipart vulnerable to ReDoS in `parse_options_header()`"}