OESA-2026-4218 python-sqlparse security update

A non-validating SQL parser. Security Fixes: sqlparse is a non-validating SQL parser module for Python. Prior to 0.6.0, TokenList construction and string conversion in sqlparse/sql.py repeatedly flatten nested token subtrees constructed by groupparenthesis and groupcase, causing quadratic CPU...

PT-2026-80670

Summary sqlparse ships hard limits MAX GROUPING DEPTH=100, MAX GROUPING TOKENS=10000 intended to bound parsing work on attacker-supplied SQL, but the path that reaches those limits is itself Ondepth per token-group construction. A 1-2 KB SQL payload e.g. SELECT 1 ... with 500-2000 nesting levels,...