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Claude Code OAuth Tokens Can Be Stolen Through Stealthy MCP Hijacking

·Source: SecurityWeek

Updated:

Executive Summary

Mitiga researchers say attackers can silently redirect Claude Code MCP traffic, intercept OAuth tokens, and maintain persistent access to connected SaaS platforms. The post Claude Code OAuth Tokens Can Be Stolen Through Stealthy MCP Hijacking appeared first on SecurityWeek .

Analysis

Mitiga researchers say attackers can silently redirect Claude Code MCP traffic, intercept OAuth tokens, and maintain persistent access to connected SaaS platforms. The post Claude Code OAuth Tokens Can Be Stolen Through Stealthy MCP Hijacking appeared first on SecurityWeek .
Source Attribution

Originally published by SecurityWeek on May 7, 2026.

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