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MCP Python SDK v2.2.0 enhances security with stricter HTTP redirect handling

By PulseAugur Editorial · [1 sources] ·

The MCP Python SDK has been updated to version 2.2.0, introducing stricter handling of HTTP redirects to enhance security. The new default behavior ensures that clients only follow redirects if they remain within the original configured origin (scheme, host, and port). This change prevents clients from inadvertently sending sensitive information like authentication tokens or tool-discovery requests to unintended servers after a redirect. Maintainers are advised to treat endpoint changes as part of their security review, ensuring that any redirects do not cross origin boundaries. AI

IMPACT Enhances security for developers using the MCP Python SDK by preventing potential data leakage through redirects.

RANK_REASON This is a software update for a specific SDK, not a core AI model release or significant industry event.

Read on dev.to — MCP tag →

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

MCP Python SDK v2.2.0 enhances security with stricter HTTP redirect handling

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This is a software update for a specific SDK, not a core AI model release or significant industry event.
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product, safety
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COVERAGE [1]

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

    The Redirect Is Part of the Threat Model: Hardening MCP Client Connections

    <p>I was reading the release notes for the MCP Python SDK while planning this month’s AAIF Ambassador contribution, and one change stopped me: clients on 2.x now follow HTTP redirects only when they remain within the endpoint’s origin.</p> <p>That’s a good default.</p> <p><a clas…

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