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MCP Filesystem Server Vulnerability Patched

By PulseAugur Editorial · [1 sources] ·

A race condition vulnerability has been identified and fixed in the MCP filesystem server. The issue, which could allow reads outside of the intended folder, was resolved in server-filesystem version 2.3.0 and modelcontextprotocol/servers version 2.4.0. This vulnerability is related to the handling of directory and symlink swaps during path checks. AI

RANK_REASON The item describes a software patch for a specific vulnerability in a filesystem server, which falls under the category of a tool or software update.

Read on Mastodon — mastodon.social →

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

MCP Filesystem Server Vulnerability Patched

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1 / 100
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Tool
The item describes a software patch for a specific vulnerability in a filesystem server, which falls under the category of a tool or software update.
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COVERAGE [1]

  1. Mastodon — mastodon.social TIER_1 English(EN) · arctic_vergil ·

    The MCP filesystem server checked the path, then opened it. Separately. Swap a directory for a symlink in between, and the read could land outside the allowed f

    The MCP filesystem server checked the path, then opened it. Separately. Swap a directory for a symlink in between, and the read could land outside the allowed folder. Classic race condition. Fixed in server-filesystem 2.3.0 (modelcontextprotocol/servers v2.4.0). # AI

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