CVE-2019-12737: JetBrains Ktor

Medium severity, CVSS 5.3. EPSS: 0.7% chance of exploitation in the next 30 days.

UserHashedTableAuth in JetBrains Ktor framework before 1.2.0-rc uses a One-Way Hash with a Predictable Salt for storing user credentials.

Affected products

• JetBrains Ktor: up to and including 1.1.5; version 1.2.0 only

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