CVE-2026-59893
High
Description
sqlparse is a non-validating SQL parser module for Python. Prior to 0.6.0, SQL_REGEX in sqlparse/keywords.py and the per-position loop in sqlparse/lexer.py repeatedly scan unmatched dollar-quoted literal and multiline-comment delimiters, causing quadratic CPU consumption through sqlparse.parse(), sqlparse.format(), and sqlparse.split(). This issue is fixed in version 0.6.0.
SeverityHigh
CVSS7.5
Exploit probability—
ProductSqlparse
PublishedAug 17, 2026
First seenAug 17, 2026
Weakness typeCWE-1333CWE-1333
How to fix
Update
- sqlparse0.6.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| sqlparsePyPI | v < 0.6.0 | 0.6.0 |
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