BerriAI LiteLLM Improper Authentication Vulnerability

BerriAI LiteLLM contains an improper authentication vulnerability in the MCP Streamable HTTP endpoint that could allow an unauthenticated attacker to establish an authenticated MCP session using an arbitrary Bearer token...

CVE-2026-59279

The MCP Streamable HTTP server transport WebFlux and WebMvc variants does not place any limit on the number of sessions it retains, and by default does not require clients to be authenticated. As a result, a remote attacker can cause the server to accumulate an unbounded number of sessions over...

CVE-2026-59279 Unbounded persistent session allocation via repeated initialize requests

The MCP Streamable HTTP server transport WebFlux and WebMvc variants does not place any limit on the number of sessions it retains, and by default does not require clients to be authenticated. As a result, a remote attacker can cause the server to accumulate an unbounded number of sessions over...

CVE-2026-59279

Spring AI 2.0.0 is affected by a Denial of Service vulnerability in the MCP Streamable HTTP server transport (both WebFlux and WebMvc variants). The transport does not impose any limit on the number of sessions it retains and, by default, does not require client authentication. A remote unauthent...