{"action":"Upgrade starlette to 1.3.0 or later.","affected":[{"fixed":"1.3.0","introduced":"0"}],"component":"starlette","cve_ids":["CVE-2026-54282"],"ecosystem":"PyPI","epss":0.00273,"exploited":false,"fixed_versions":["1.3.0"],"ghsa_id":"GHSA-jp82-jpqv-5vv3","id":"tcs_01M5KGZQQWHR0Z29C9Y4XCYC78","modified_at":"2026-06-27T11:15:06.799060438Z","published_at":"2026-06-22T18:16:46.807Z","references":["https://osv.dev/vulnerability/PYSEC-2026-248","https://github.com/Kludex/starlette/security/advisories/GHSA-jp82-jpqv-5vv3"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"PYSEC-2026-248","url":"https://osv.dev/vulnerability/PYSEC-2026-248"}],"summary":"Starlette is a lightweight ASGI framework/toolkit. Prior to 1.3.0, the HTTP request path is not validated before being used to reconstruct request.url. Because request.url is rebuilt by concatenating"}