Modelcontextprotocol Kotlin Sdk vulnerabilities

1 vulnerability

Known vulnerabilities in Modelcontextprotocol Kotlin Sdk, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

8.7CVE-2026-108714modelcontextprotocolkotlin-sdk
EPSS score
0.36%
MCP Kotlin SDK through 0.15.0 contains an uncontrolled memory allocation vulnerability that allows remote clients to exhaust server memory because Application.mcpWebSocket installs Ktor WebSockets without a maxFrameSize limit. Attackers can send small frame headers declaring payloads near 2 GiB over one or a few connections, forcing huge heap allocations and causing denial of service.