{"cve":"CVE-2019-19389","nvd":{"published":"2019-12-26T21:15:11.540","modified":"2026-06-17T02:26:36.823","status":"Modified","description":"JetBrains Ktor framework before version 1.2.6 was vulnerable to HTTP Response Splitting.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-74"],"references":["https://gist.github.com/JLLeitschuh/6792947ed57d589b08c1cc8b666c7737","https://github.com/ktorio/ktor/pull/1408","https://twitter.com/JLLeitschuh/status/1210256191110230017?s=20","https://gist.github.com/JLLeitschuh/6792947ed57d589b08c1cc8b666c7737","https://github.com/ktorio/ktor/pull/1408"],"products":["jetbrains:ktor"],"source":"nvd","synced_at":"2026-10-19T20:59:27.069234358+00:00"},"epss":{"cve":"CVE-2019-19389","score":0.0083,"percentile":0.57572,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}