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aiohttp: CRLF injection in multipart headers

🗓️ 15 Jun 2026 20:07:26Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 41 Views

CRLF header injection in multipart headers via attacker-controlled input in multipart writer headers.

Related
Detection
Refs
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ATTACKERKB
CVE-2026-50269
22 Jun 202616:30
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22 Jun 202616:30
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Chainguard
CVE-2026-50269 vulnerabilities
19 Jun 202602:17
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CVE
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22 Jun 202616:30
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Cvelist
CVE-2026-50269 AIOHTTP: CRLF injection in multipart headers
22 Jun 202616:30
cvelist
Debian CVE
CVE-2026-50269
22 Jun 202616:30
debiancve
EUVD
EUVD-2026-38308
22 Jun 202616:30
euvd
NVD
CVE-2026-50269
22 Jun 202618:16
nvd
OPENSUSE Linux
python311-aiohttp-3.14.1-1.1 on GA media (moderate)
25 Jun 202600:00
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OSV
CGA-VGPQ-XPP4-4J5V
18 Jun 202623:57
osv
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aiohttpaiohttpRange3.13.5pip

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15 Jun 2026 20:07Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.17.5
CVSS 46.9
EPSS0.00301
SSVC
41