HTTP Request Smuggling Affecting io.ktor:ktor-client-cio-jvm package, versions [,3.1.1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JAVA-IOKTOR-9460810
- published18 Mar 2025
- disclosed12 Mar 2025
- creditJeppe Bonde Weikop
Introduced: 12 Mar 2025
NewCVE-2025-29904 (opens in a new tab)How to fix?
Upgrade io.ktor:ktor-client-cio-jvm to version 3.1.1 or higher.
Overview
io.ktor:ktor-client-cio-jvm is a framework for quickly creating web applications in Kotlin with minimal effort.
Affected versions of this package are vulnerable to HTTP Request Smuggling due to a race condition between multiple coroutines using the same thread.