{"id":"CVE-2019-17598","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-17598","generatedAt":"2026-10-28T04:17:10.595Z","title":"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.","description":"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":"2019-11-05T15:15:12.000Z","lastModified":"2026-06-17T02:24:15.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","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"},"cwe":["CWE-326"],"affected":["lightbend/play framework"],"epss":{"score":0.00704,"percentile":0.53106,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.playframework.com/security/vulnerability","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.playframework.com/security/vulnerability/CVE-2019-17598-PlayWSHttpConnectAuthorizationHeaders","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.playframework.com/security/vulnerability","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.playframework.com/security/vulnerability/CVE-2019-17598-PlayWSHttpConnectAuthorizationHeaders","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-17598","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}