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CVE-2026-54275

🗓️ 22 Jun 2026 16:34:56Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 26 Views

AIOHTTP TLS hostname check can be bypassed when reusing HTTPS connections; fixed in 3.14.1.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-54275
22 Jun 202616:34
attackerkb
Chainguard
CVE-2026-54275 vulnerabilities
16 Jun 202620:22
cgr
Cvelist
CVE-2026-54275 AIOHTTP: TLS Server Hostname Override Is Ignored When Reusing HTTPS Connections
22 Jun 202616:34
cvelist
Debian CVE
CVE-2026-54275
22 Jun 202616:34
debiancve
EUVD
EUVD-2026-38312
22 Jun 202616:34
euvd
Github Security Blog
aiohttp: TLS Server Hostname Override Is Ignored When Reusing HTTPS Connections
15 Jun 202620:11
github
NVD
CVE-2026-54275
22 Jun 202618:16
nvd
OPENSUSE Linux
python311-aiohttp-3.14.1-1.1 on GA media (moderate)
25 Jun 202600:00
opensuse
OSV
CGA-7RC4-CR5C-MXF4
16 Jun 202623:30
osv
OSV
DEBIAN-CVE-2026-54275
22 Jun 202618:16
osv
Rows per page
NVD
Vulners
Node
aiohttpaiohttpRange<3.14.1
[
  {
    "vendor": "aio-libs",
    "product": "aiohttp",
    "versions": [
      {
        "version": "< 3.14.1",
        "status": "affected"
      }
    ]
  }
]

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26 Jun 2026 19:36Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
CVSS 46.9
EPSS0.00266
SSVC
26