CVE-2026-77371 Redash: DuckDB query runner allows arbitrary file read/write via unrestricted external access

Redash is a package for data visualization and sharing. From 26.0.0 until 26.9.0, the DuckDB query runner's connect path in redash/queryrunner/duckdb.py created connections with enableexternalaccess left at its default value of true. A user with query access to an administrator-created DuckDB dat...