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aiohttp: Unread Compressed Request Bodies Bypass client_max_size During Cleanup

🗓️ 15 Jun 2026 20:09:51Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 13 Views

Aiohttp cleanup can decompress unread compressed bodies into memory, bypassing client_max_size.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-54278
22 Jun 202616:38
attackerkb
Chainguard
CVE-2026-54278 vulnerabilities
16 Jun 202620:22
cgr
CVE
CVE-2026-54278
22 Jun 202616:38
cve
Cvelist
CVE-2026-54278 AIOHTTP: Unread Compressed Request Bodies Bypass client_max_size During Cleanup
22 Jun 202616:38
cvelist
Debian CVE
CVE-2026-54278
22 Jun 202616:38
debiancve
EUVD
EUVD-2026-38315
22 Jun 202616:38
euvd
NVD
CVE-2026-54278
22 Jun 202618:16
nvd
OSV
CGA-F7W5-386X-QJPJ
16 Jun 202623:30
osv
OSV
DEBIAN-CVE-2026-54278
22 Jun 202618:16
osv
OSV
ECHO-2791-8592-919C
23 Jun 202610:07
osv
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aiohttpaiohttpRange3.14.0pip

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15 Jun 2026 20:09Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.17.5
CVSS 48.7
EPSS0.00279
SSVC
13