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CVE-2026-91990 Tornado before 6.5.8 Memory Amplification DoS via multipart

🗓️ 15 Sep 2026 15:18:31Reported by VulnCheckType 
vulnrichment
 vulnrichment
🔗 github.com👁 3 Views

Tornado before 6.5.8 contains a memory amplification vulnerability in parse_multipart_form_data that splits multipart data before validating the max_parts limit. Attackers can send crafted multipart requests with many parts to create large transie...

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15 Sep 2026 15:18Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
CVSS 48.7
EPSS0.00412
SSVC
3