CVE-2026-71491
sqlparse: Quadratic O(n²) DoS in group_comments
Description
sqlparse is a non-validating SQL parser module for Python. Prior to 0.6.0, group_comments in sqlparse/engine/grouping.py repeatedly rescans comment-only statements before the MAX_GROUPING_TOKENS guard, causing quadratic CPU consumption through sqlparse.parse() and sqlparse.format(sql, strip_comments=True). This issue is fixed in version 0.6.0.
No summary for this CVE yet.
Weaknesses
Affected Products
andialbrecht
oss-projectaka sqlparse
Exploitability
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References
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