CVE-2019-12736: JetBrains Ktor

Critical severity, CVSS 9.8. EPSS: 2.2% chance of exploitation in the next 30 days.

JetBrains Ktor framework before 1.2.0-rc does not sanitize the username provided by the user for the LDAP protocol, leading to command injection.

Affected products

• JetBrains Ktor: up to and including 1.1.5

Published 2019-10-02. Last modified 2026-06-17.