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CVE-2026-54284 is an algorithmic-complexity denial-of-service vulnerability in sqlparse versions prior to 0.6.0. TokenList construction and string conversion repeatedly flatten nested token subtrees generated by parenthesis and CASE grouping. Crafted SQL with deeply nested parentheses or CASE expressions causes repeated subtree materialization and quadratic CPU consumption through sqlparse.parse(), sqlparse.format(), and sqlparse.split(). Configured depth and token limits eventually terminate processing, but only after excessive computation has occurred.
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No public exploit code observed for this vulnerability.
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19 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A network-accessible vulnerability whose CVSS vectors indicate high availability impact, with no confidentiality or integrity impact. Exploitation requires no privileges or user interaction and has low attack complexity. The excerpt does not identify the affected product or underlying flaw. Published August 17, 2026, with a patch published August 18, 2026.
Denial-of-service vulnerability in sqlparse caused by quadratic CPU consumption during SQL parsing. Both python3.12-sqlparse and satellite/iop-advisor-backend-rhel9 are identified in the security fixes.
Quadratic CPU consumption during SQL parsing in sqlparse can cause denial of service. Updated sqlparse packages are supplied in the advisory.
Quadratic CPU consumption during SQL parsing in sqlparse can cause denial of service. The advisory includes updated packages addressing the flaw.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.