{"id":"CVE-2019-19703","aliases":["GHSA-xwgq-pcqx-hpmv"],"url":"https://o3.security/vulnerability/CVE-2019-19703","summary":"URL Redirection to Untrusted Site (Open Redirect) in Ktor","details":"In Ktor through 1.2.6, the client resends data from the HTTP Authorization header to a redirect location.","published":"2019-12-10T20:15:17.577Z","modified":"2026-07-08T20:16:10.770850Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Maven","name":"io.ktor:ktor-client-core","fixedVersion":"1.3.0"}],"fix":null,"references":[{"type":"REPORT","url":"https://github.com/ktorio/ktor/issues/1467"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T20:16:10.770850Z"}}