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Security Advisories

CGA-35f8-mm23-892v

Package

sglang-cuda-13.0

Component

rmcp

Latest update

Not affected

Aliases

Severity

8.8

High

CVSS V3

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  • https://nvd.nist.gov/vuln/detail/CVE-2026-42559
  • https://github.com/advisories/GHSA-89vp-x53w-74fx

Updates

Status

Not affected

Justification

Vulnerable code not in execute path

Impact

rmcp 0.8.5 is linked into sgl-model-gateway and sglang_router_rs, directly and via smg-mcp 1.0.0, which use it only as an MCP client. The Streamable HTTP server transport (StreamableHttpService, LocalSessionManager) is compiled in through the transport-streamable-http-server feature, but neither sgl-model-gateway 0.3.2 (outside its test suite), its Python binding, nor smg-mcp 1.0.0 constructs it, so no rmcp server is ever listening.

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