{"action":"Upgrade starlette to 1.0.1 or later.","affected":[{"fixed":"1.0.1","introduced":"0"}],"component":"starlette","cve_ids":["CVE-2026-48710"],"ecosystem":"PyPI","epss":0.70288,"exploited":true,"fixed_versions":["1.0.1"],"ghsa_id":"GHSA-86qp-5c8j-p5mr","id":"tcs_01M5KF7ERS5PYQKV3X7NEHR02J","modified_at":"2026-09-10T03:51:08.121685407Z","published_at":"2026-06-04T13:15:17Z","references":["https://osv.dev/vulnerability/GHSA-86qp-5c8j-p5mr","https://github.com/Kludex/starlette/security/advisories/GHSA-86qp-5c8j-p5mr","https://nvd.nist.gov/vuln/detail/CVE-2026-48710","https://github.com/Kludex/starlette/commit/764dab0dcfb9033d75442d7a359645c9f94648c6","https://www.x41-dsec.de/lab/advisories/x41-2026-002-starlette","https://www.secwest.net/starlette","https://www.cve.org/CVERecord?id=CVE-2026-48710","https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48710.json","https://ostif.org/disclosing-the-badhost-vulnerability-in-starlette","https://github.com/pypa/advisory-database/tree/main/vulns/starlette/PYSEC-2026-161.yaml","https://github.com/Kludex/starlette","https://bugzilla.redhat.com/show_bug.cgi?id=2481742","https://badhost.org","https://access.redhat.com/security/cve/CVE-2026-48710","https://access.redhat.com/errata/RHSA-2026:60520","https://access.redhat.com/errata/RHSA-2026:51357","https://access.redhat.com/errata/RHSA-2026:44696","https://access.redhat.com/errata/RHSA-2026:43038","https://access.redhat.com/errata/RHSA-2026:37275","https://access.redhat.com/errata/RHSA-2026:34532","https://access.redhat.com/errata/RHSA-2026:34526","https://access.redhat.com/errata/RHSA-2026:34456","https://access.redhat.com/errata/RHSA-2026:30089","https://access.redhat.com/errata/RHSA-2026:30088","https://access.redhat.com/errata/RHSA-2026:26226","https://access.redhat.com/errata/RHSA-2026:24866","https://access.redhat.com/errata/RHSA-2026:23346","https://access.redhat.com/errata/RHSA-2026:22993","https://access.redhat.com/errata/RHSA-2026:22992"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-86qp-5c8j-p5mr","url":"https://osv.dev/vulnerability/GHSA-86qp-5c8j-p5mr"},{"source":"kev","source_id":"CVE-2026-48710","url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json"}],"summary":"Starlette has missing Host header validation that poisons request.url.path, bypassing path-based security checks"}