{"action":"Upgrade multipart to 1.3.1-1 or later.","affected":[{"fixed":"1.3.1-1","introduced":"0"}],"component":"multipart","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.3.1-1"],"id":"tcs_01M5NRGDW99RCVNPXHD9D51X9D","modified_at":"2026-10-01T03:03:02.813562312Z","published_at":"2026-03-12T17:16:50.080Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-28356","https://security-tracker.debian.org/tracker/CVE-2026-28356"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-28356#Debian:14/multipart","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-28356"}],"summary":"multipart is a fast multipart/form-data parser for python. Prior to 1.2.2, 1.3.1 and 1.4.0-dev, the parse_options_header() function in multipart.py uses a regular expression with an ambiguous alternat"}