CVE-2026-57494 AgenticMail: Cross-agent task authorization bypass in AgenticMail API

AgenticMail gives AI agents real email addresses and phone numbers. In @agenticmail/api prior to version 0.9.64, a low-privileged authenticated AgenticMail agent can enumerate another agent's pending/claimed tasks by supplying the target agent name to GET /api/agenticmail/tasks/pending?assignee=...

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

Summary Authorization for scoped agent MCP callers is enforced inline, per tool, and is applied inconsistently — several mutating tools silently omit the ancestry/workspace check that their siblings perform. Because the MCP server authenticates all outbound gRPC with the full server API key and t...

AgenticMail: Cross-agent task authorization bypass in AgenticMail API

Summary A low-privileged authenticated AgenticMail agent can enumerate another agent's pending/claimed tasks by supplying the target agent name to GET /api/agenticmail/tasks/pending?assignee=. The returned task objects include the task IDs and payloads. The same task IDs can then be used with the...

GHSA-HJWC-26PJ-V3PM AgenticMail: Cross-agent task authorization bypass in AgenticMail API

Summary A low-privileged authenticated AgenticMail agent can enumerate another agent's pending/claimed tasks by supplying the target agent name to GET /api/agenticmail/tasks/pending?assignee=. The returned task objects include the task IDs and payloads. The same task IDs can then be used with the...

Missing Authorization

Overview @agenticmail/api is a REST API server for AgenticMail — email, SMS, and phone call-control endpoints for AI agents Affected versions of this package are vulnerable to Missing Authorization via the GET /api/agenticmail/tasks/pending and related task mutation endpoints. An attacker can...