Unverified50% confidenceFactExact time

Under a multi-tenant architecture, flaws in the isolation layer (such as VM escape, metadata service abuse, or misconfigured network policies between tenants) may allow attackers to move laterally across tenants.

1

Sources

50%

Confidence

Long-term

Relevance

10/27/2026

First Seen

Sources

Japanese Internet Giant GMO Hit by Hacker Leak: Cloud Service Vulnerability Exposes Customer Data

Related Entities

Multi-tenant Architectureconcept 虚拟机逃逸concept 元数据服务滥用concept

Related Claims

Unverified多租户架构下的安全隔离需要在网络层、计算层、存储层和运行时层同时施加控制70% similar UnverifiedIf an MCP server lacks tenant isolation, attackers can read or tamper with data across tenants by enumerating other tenants' workspace IDs.68% similar UnverifiedFor agents, tenant boundaries must be carried when retrieving from the knowledge base, invoking tools, and remembering context, otherwise a single unauthorized retrieval could cause cross-tenant data leakage.66% similar

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