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Claude Code SQL view creates Supabase security hole

By PulseAugur Editorial · [1 sources] ·

An AI model named Claude Code generated a SQL view for a Supabase project that inadvertently created a security vulnerability. The view, intended for a dashboard, bypassed row-level security (RLS) because it ran with the privileges of the 'postgres' user, which bypasses RLS, rather than the user querying it. This allowed unauthorized access via the anonymous key, a common default in Supabase. The issue was resolved by adding `security_invoker = true` to the view creation, and a PreToolUse hook was developed to automatically detect and flag similar SQL statements before they are executed. AI

IMPACT Highlights potential security risks when AI models interact directly with databases and the need for pre-execution checks.

RANK_REASON The item describes a specific security vulnerability found in an AI model's output when interacting with a database tool, and a proposed solution using a hook.

Read on dev.to — Claude Code tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Claude Code SQL view creates Supabase security hole

How we ranked this

Signal score
12 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
The item describes a specific security vulnerability found in an AI model's output when interacting with a database tool, and a proposed solution using a hook.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
product, safety
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AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. dev.to — Claude Code tag TIER_1 English(EN) · Clément Creuzenet ·

    The Supabase view Claude created that anyone could read

    <p>Claude Code created a view for me through an MCP SQL tool: a clean <code>create view public.my_view as ...</code>, no <code>security_invoker</code>.</p> <p>A check found the problem the next day. The view was readable with the anon key, the one that ships in the frontend.</p> …

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