CVE-2019-19703

6.1 mediumEPSS 0.6%

Medium (6.1) in jetbrains ktor. EPSS 0.6% chance of exploitation in the next 30 days. Fixed in io.ktor:ktor-client-core 1.3.0.

In Ktor through 1.2.6, the client resends data from the HTTP Authorization header to a redirect location.

Severity

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
CWE: CWE-601
Published: 2019-12-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-xwgq-pcqx-hpmv	Maven	io.ktor:ktor-client-core	<1.3.0	1.3.0