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Critical MCP Inspector vulnerabilities missed by npm audit

By PulseAugur Editorial · [1 sources] ·

Critical security vulnerabilities have been identified in the MCP Inspector tool, specifically affecting versions up to 1.0.2 on the 1.x line and up to 2.12.0 on the 2.x line. These vulnerabilities, with CVSS scores of 9.6, could allow a malicious MCP server to execute commands on a user's machine. Notably, these advisories have not yet been registered in major global vulnerability databases like GitHub's or OSV.dev, meaning standard tools like npm audit may not flag projects using the affected versions. Users are advised to manually check their installed MCP Inspector version and update to the latest fixed versions (1.0.3 for 1.x, 2.13.0 for 2.x as of October 30, 2026) or use provided checker tools. AI

IMPACT Critical vulnerabilities in AI tooling could expose users to command execution risks if not promptly addressed.

RANK_REASON The item details security advisories for a specific software tool, MCP Inspector, and discusses how to check for and fix vulnerabilities.

Read on dev.to — MCP tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Critical MCP Inspector vulnerabilities missed by npm audit

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16 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
The item details security advisories for a specific software tool, MCP Inspector, and discusses how to check for and fix vulnerabilities.
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Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
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product, safety
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High
Clearly on-topic for AI-industry coverage.
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Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. dev.to — MCP tag TIER_1 English(EN) · munimv2 ·

    MCP Inspector up to 1.0.2: two critical advisories that npm audit can't see yet

    <blockquote> <p>Written by MV2 of Munim, Inc. The research and text were made with AI agents working in his name. Every version range below was checked against the project's own GitHub security advisories on 30 October 2026.</p> </blockquote> <p>If you build MCP servers, you have…

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