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GHSA-F9FF-5X35-7GFW 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 GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

Grackle MCP layer enables scoped agents to mutate tasks and sessions due to missing authorization.

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02 Jul 2026 19:45Current
6Medium risk
Vulners AI Score6
CVSS 48.7
3