The Hidden DoS Vector in SQL Parsers

SQL parsers are critical components of the modern data stack. They validate queries before they reach the database, transpile between dialects, and lint codebases for style violations. Increasingly, they also power AI-driven SQL generation in LLM-integrated data tools. Our research focused on two...

Langroid: SQLChatAgent dangerous-function blocklist can be bypassed with quoted or schema-qualified pg_read_file calls

SQLChatAgent validatequery dangerous-pattern regex is bypassable via quoted/commented/qualified function names SummaryThe SQLChatAgent SQL-injection mitigation, with default allowdangerousoperations=False, combines a raw-text regex blocklist DANGEROUSSQLPATTERNS with a sqlglot SELECT-only stateme...

GHSA-6XC5-4R68-67FC Langroid: SQLChatAgent dangerous-function blocklist can be bypassed with quoted or schema-qualified pg_read_file calls

SQLChatAgent validatequery dangerous-pattern regex is bypassable via quoted/commented/qualified function names Summary The SQLChatAgent SQL-injection mitigation, with default allowdangerousoperations=False, combines a raw-text regex blocklist DANGEROUSSQLPATTERNS with a sqlglot SELECT-only...