CVE-2019-10101: JetBrains Kotlin

High severity, CVSS 8.1. EPSS: 1.4% chance of exploitation in the next 30 days.

JetBrains Kotlin versions before 1.3.30 were resolving artifacts using an http connection during the build process, potentially allowing an MITM attack.

Affected products

• JetBrains Kotlin: before 1.3.30 (fixed in 1.3.30)

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