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CVE-2026-19553: Improper Validation of Certificate with Host Mismatch

🗓️ 30 Sep 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 1 Views

Hostname verification skipped in Python ssl.SSLContext.wrap_bio() when server_hostname is None.

Related
Refs
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for CVE-2026-19553
2 Oct 202601:46
–githubexploit
alpinelinux
AlpineLinux
CVE-2026-19553
30 Sep 202616:17
–alpinelinux
circl
Circl
CVE-2026-19553
30 Sep 202617:15
–circl
cve
CVE
CVE-2026-19553
30 Sep 202616:17
–cve
cvelist
Cvelist
CVE-2026-19553 SSLContext.wrap_bio() missing validation of server_hostname parameter
30 Sep 202616:17
–cvelist
debiancve
Debian CVE
CVE-2026-19553
30 Sep 202616:17
–debiancve
euvd
EUVD
EUVD-2026-90078
30 Sep 202616:17
–euvd
kitploit
Kitploit
cve-2026-19553-wrap-bio
3 Oct 202601:17
–kitploit
kitploit
Kitploit
cve-2026-19553-wrap-bio
3 Oct 202601:17
–kitploit
mscve
Microsoft CVE
SSLContext.wrap_bio() missing validation of server_hostname parameter
3 Oct 202608:42
–mscve
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03 Oct 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 47.6
EPSS0.00401
1