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Metabase Zero-Day Exploited in Wild Allows Admin Access Without Authentication

thehackernews.com 2026-08-08 data leakage Critical

What Happened

Metabase has warned that a maximum-severity security flaw impacting its business intelligence and data visualization software package has been exploited in the wild as a zero-day. The vulnerability (CVSS score: 10.0), which does not carry a CVE identifier, allows an unauthenticated remote attacker to inject arbitrary SQL into the Metabase application database, enabling them to gain

Why It Matters

Metabase disclosed that an unknown zero-day in versions 1.58 and above was exploited in the wild, allowing an unauthenticated attacker to inject arbitrary SQL into the Metabase application database and potentially obtain administrator access[1]. Metabase says compromise could expose stored database credentials, connected data, and exported data, and it published log patterns that may indicate intrusion[1]. RealGround assessment: this is primarily a data leakage and exposure event with high operational impact, so the most relevant services are readiness and advisory support to assess blast radius, validate exposure, and harden response controls.

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RealGround Analysis

This signal maps to data leakage. Organizations using AI agents, LLM APIs, SaaS integrations, or sensitive data workflows should review whether this class of issue could create unauthorized tool execution, data leakage, weak approval gates, or unmanaged supply-chain exposure.

Recommended Actions

  • Restrict AI agent tool permissions and production write paths.
  • Review sensitive data access across prompts, logs, embeddings, memory, and SaaS integrations.
  • Add human approval workflows for high-impact or state-changing actions.
  • Run prompt injection and indirect prompt injection tests against affected workflows.
  • Document the owner, control gap, and remediation deadline for this risk class.

Source

https://thehackernews.com/2026/08/metabase-zero-day-exploited-in-wild.html

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