CVE-2019-10103: JetBrains Kotlin

High severity, CVSS 8.1. EPSS: 0.8% chance of exploitation in the next 30 days.

JetBrains IntelliJ IDEA projects created using the Kotlin (JS Client/JVM Server) IDE Template were resolving Gradle artifacts using an http connection, potentially allowing an MITM attack. This issue, which was fixed in Kotlin plugin version 1.3.30, is similar to CVE-2019-10101.

Affected products

• JetBrains Kotlin: before 1.3.30 (fixed in 1.3.30)

Published 2019-07-03. Last modified 2026-06-17.