{"action":"Upgrade starlette to 0.47.2 or later.","affected":[{"fixed":"0.47.2","introduced":"0"}],"component":"starlette","cve_ids":["CVE-2025-54121"],"ecosystem":"PyPI","epss":0.0066,"exploited":false,"fixed_versions":["0.47.2"],"ghsa_id":"GHSA-2c2j-9gv5-cj73","id":"tcs_01M5KGWK1FHAMSQ7F7MH3PP8N4","modified_at":"2026-07-07T17:47:58.806073973Z","published_at":"2026-07-07T16:02:58.086064Z","references":["https://osv.dev/vulnerability/PYSEC-2026-1941","https://github.com/encode/starlette/security/advisories/GHSA-2c2j-9gv5-cj73","https://nvd.nist.gov/vuln/detail/CVE-2025-54121","https://github.com/encode/starlette/commit/9f7ec2eb512fcc3fe90b43cb9dd9e1d08696bec1","https://github.com/encode/starlette","https://github.com/encode/starlette/blob/fa5355442753f794965ae1af0f87f9fec1b9a3de/starlette/datastructures.py#L436C5-L447C14","https://github.com/encode/starlette/discussions/2927#discussioncomment-13721403","https://pypi.org/project/starlette","https://github.com/advisories/GHSA-2c2j-9gv5-cj73"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"PYSEC-2026-1941","url":"https://osv.dev/vulnerability/PYSEC-2026-1941"}],"summary":"Starlette has possible denial-of-service vector when parsing large files in multipart forms"}