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GHSA-9548-QRRJ-X5PJ AIOHTTP is vulnerable to HTTP Request/Response Smuggling through incorrect parsing of chunked trailer sections

🗓️ 14 Jul 2025 19:33:31Reported by GoogleType 
osv
 osv🔗 osv.dev👁 7 Views

The Python aiohttp parser is vulnerable to request smuggling from unparsed trailer sections when using pure Python.

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07 Jul 2026 17:56Current
6.9Medium risk
Vulners AI Score6.9
CVSS 46.3
EPSS0.00297
request smugglingpython parserpure python versionno extensionstrailer sectionsvulnerable library
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