{"id":"CVE-2019-17598","aliases":["GHSA-442g-gcg6-mhm4"],"url":"https://o3.security/vulnerability/CVE-2019-17598","summary":"Play Framework Inadequate Encryption Strength vulnerability","details":"An issue was discovered in Lightbend Play Framework 2.5.x through 2.6.23. When configured to make requests using an authenticated HTTP proxy, play-ws may sometimes, typically under high load, when connecting to a target host using https, expose the proxy credentials to the target host.","published":"2019-11-05T15:15:12.153Z","modified":"2026-07-08T20:15:50.683674Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"com.typesafe.play:play-ws_2.12","fixedVersion":"2.6.24"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://www.playframework.com/security/vulnerability"},{"type":"ADVISORY","url":"https://www.playframework.com/security/vulnerability/CVE-2019-17598-PlayWSHttpConnectAuthorizationHeaders"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T20:15:50.683674Z"}}