CVE-2025-47277: vLLM, an inference and serving engine for large language models (LLMs), has an issue in versions 0.6.5 through 0.8.4 tha
Summary
vLLM versions 0.6.5 through 0.8.4 have a vulnerability when using `PyNcclPipe` (a tool for peer-to-peer communication between multiple computers running the AI model) with the V0 engine. The issue is that a network communication interface called `TCPStore` was listening on all network connections instead of just the private network specified by the `--kv-ip` parameter, potentially exposing the system to unauthorized access.
Solution / Mitigation
Update to vLLM version 0.8.5 or later. According to the source: "As of version 0.8.5, vLLM limits the `TCPStore` socket to the private interface as configured."
Vulnerability Details
9.8(critical)
EPSS: 0.4%
Classification
Affected Vendors
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Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-47277
First tracked: February 15, 2026 at 08:37 PM
Classified by LLM (prompt v3) · confidence: 95%