Overview
io.ktor:ktor-client-core is a framework for quickly creating web applications in Kotlin with minimal effort.
Affected versions of this package are vulnerable to Use of Cache Containing Sensitive Information due to improper caching in the HttpCache plugin. An attacker can disclose sensitive response information by exploiting the misconfigured cache settings.
Remediation
Upgrade io.ktor:ktor-client-core to version 2.3.13, 3.0.0-rc-2 or higher.
References