AI agent incident
CISA's weekly bulletin recorded CVE-2026-57809 in AgenticMail, the service that gives AI agents real email and phone identities, covering weak SQL identifier validation and fail-open outbound worker secrets at CVSS 8.2.
Once agents hold their own communication identities, the ownership check between them becomes an access control boundary, and this one failed open.
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“AgenticMail flaws let one agent reach another agent's mail data.” The Permission Layer AI Agent Incident Database, https://thepermissionlayer.com/incidents/agenticmail-ownership-checks/. Database updated October 22, 2026.
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