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Grackle: Fail-open authorization in the MCP tool layer lets scoped agents perform cross-task and cross-session mutations (IDOR)

🗓️ 02 Jul 2026 19:35:03Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 10 Views

Grackle fail-open MCP tool authorization allows scoped agents to perform cross-task mutations (IDOR).

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