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Authorization Bypass Through User-Controlled Key Affecting kserve-huggingfaceserver-cuda-13.3 package, versions <0.21.0-r4

Severity

 Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.54% (43rd percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-KSERVEHUGGINGFACESERVERCUDA133-20887250
  • published14 Oct 2026
  • disclosed15 Jul 2026
Report a new vulnerability Found a mistake?

Introduced: 15 Jul 2026

CVE-2026-52869  (opens in a new tab)
CWE-639  (opens in a new tab)

How to fix?

Upgrade Chainguard kserve-huggingfaceserver-cuda-13.3 to version 0.21.0-r4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kserve-huggingfaceserver-cuda-13.3 package and not the kserve-huggingfaceserver-cuda-13.3 package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol (MCP). Prior to 1.27.2, the SSE and stateful Streamable HTTP transports mcp.server.sse.SseServerTransport and mcp.server.streamable_http_manager.StreamableHTTPSessionManager route requests to existing sessions using only the session_id query parameter or Mcp-Session-Id header without verifying the authenticated principal that created the session, allowing a different bearer-token-authenticated client with a known session ID to inject JSON-RPC messages into that session. This issue is fixed in version 1.27.2.