Concern 270 · Working draft · editorial review in progress
Prompt-to-SQL injection
Prompt-to-SQL injection occurs when an attacker steers a natural-language database assistant toward an unauthorized query or database action.
Understanding the concern
SQL is a language used to request or change information in a database. An AI interface translates ordinary questions into SQL, which creates a boundary between a request and executable instructions. If generated queries are trusted too broadly, a person can reach data or operations they should not access.
This overlaps with prompt injection but is not identical to traditional SQL injection through an unsafe text field. Both require controls at the database and application layers. The assistant's willingness to answer must not determine which records the user may read or change.
An example
A person asks a reporting assistant a misleading question and receives records outside the account they are allowed to inspect.
Illustrative unless identified as a documented case.
Words in plain English
- AI
- Software that learns patterns from examples or uses rules to perform tasks such as recognizing images or generating text. It can make mistakes and does not understand every situation as a person would.
- Prompt
- The instructions or information given to an AI to guide its response.
- Injection
- In this context, unwanted instructions or commands inserted into material a system reads or processes.
- Interface
- The controls and displays people use to interact with software, such as buttons, menus, and chat windows.
- SQL
- A language used to work with information stored in many databases.
- Database
- An organized collection of information that software can store, search, and update.
Evidence and its limits
The guidance addresses separate injection layers; the study demonstrates schema leakage, which is not itself proof of successful unauthorized data modification.
OWASP · Security guidance
LLM Prompt Injection Prevention Cheat Sheet ↗ (opens in a new tab)Explains instruction-data boundaries and layered controls, including limited database access; no single filter is a complete defense.
OWASP · Security guidance
SQL Injection Prevention Cheat Sheet ↗ (opens in a new tab)Addresses safe query construction and access controls; text-to-SQL systems also need authorization over generated query meaning.
Klisura and Rios · 2024 · Research study
Unmasking Database Vulnerabilities: Zero-Knowledge Schema Inference Attacks in Text-to-SQL Systems ↗ (opens in a new tab)Demonstrates database-schema inference in evaluated systems; schema disclosure is distinct from successful unauthorized data alteration.
Broader frameworks and background
These resources provide context. They do not establish every claim in this concern.
A question to discuss
Are permissions enforced on the actual query and records, regardless of how the question is phrased?
Keep track of different views, what needs checking, and any next step in your own discussion notes.
Open discussion notes →Principles for the conversation
Before you finish · reflect together
Virtues and principles to consider
Virtues are qualities we practice in how we treat people and make choices. They are not scores for judging someone. Use these ideas to explore what a thoughtful response could look like.
Prudence
Prudence means using careful judgment before and during action. It balances worthwhile opportunities with the need to avoid harm that could have been anticipated.
Start with a limited trial, set stopping points, and prefer choices that can be undone when uncertainty is high. Review what happens rather than assuming the original plan remains sound.
Ask together: What is a careful next step, and when should we stop or change course?
Humility
Humility means recognizing the limits of our knowledge and being willing to learn from others. Expertise can be valuable without answering every question.
State where evidence is weak, invite criticism, and listen to people with different experience. Leave room to revise a decision when new information appears.
Ask together: What might we be missing, and who could help us see it?
Stewardship
Stewardship means caring for resources and systems that others depend on, including people who will use them later. It looks beyond the benefit of a quick launch.
Plan for maintenance, energy use, data protection, and eventual shutdown. Ask who will look after the tool when the original team moves on and how future users can avoid inheriting hidden costs.
Ask together: What are we responsible for caring for over time?
Editorial ratings
These are editorial judgments from the register, not measured probabilities or predictions about your situation.
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