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aiohttp: TLS Server Hostname Override Is Ignored When Reusing HTTPS Connections

🗓️ 15 Jun 2026 20:11:13Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 5 Views

TLS Server Hostname Override is ignored when reusing HTTPS connections in aiohttp, bypassing the SNI.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Chainguard
CVE-2026-54275 vulnerabilities
16 Jun 202620:22
cgr
CVE
CVE-2026-54275
15 Jun 202620:11
cve
OSV
CGA-7RC4-CR5C-MXF4
16 Jun 202623:30
osv
OSV
GHSA-4M7W-QMGQ-4WJ5 aiohttp: TLS Server Hostname Override Is Ignored When Reusing HTTPS Connections
15 Jun 202620:11
osv
OSV
MINI-4M8Q-C56P-C9HH
16 Jun 202617:23
osv
OSV
MINI-68WJ-9J26-JJ3P
16 Jun 202617:23
osv
OSV
MINI-965G-FVCF-WJPF
16 Jun 202617:23
osv
OSV
MINI-H8XP-99C5-73H3
16 Jun 202617:23
osv
OSV
MINI-Q73M-F7MW-F4M4
16 Jun 202617:59
osv
OSV
MINI-RR9Q-PQXG-M44C
16 Jun 202617:23
osv
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Vulners
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aiohttpaiohttpRange3.14.0pip

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15 Jun 2026 20:11Current
5.3Medium risk
Vulners AI Score5.3
EPSS0.00024
5