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CVE-2026-105221: Improper Certificate Validation

🗓️ 04 Oct 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 13 Views

Improper certificate validation in the gist RubyGem allows on-path attackers to intercept traffic.

Related
Refs
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for CVE-2026-105221
6 Oct 202601:44
–githubexploit
circl
Circl
CVE-2026-105221
4 Oct 202623:45
–circl
cve
CVE
CVE-2026-105221
4 Oct 202622:31
–cve
cvelist
Cvelist
CVE-2026-105221 Gist RubyGem before 6.1.0 Disabled TLS Certificate Verification
4 Oct 202622:31
–cvelist
euvd
EUVD
EUVD-2026-92134
5 Oct 202600:30
–euvd
nessus
Tenable Nessus
Fedora 46 : rubygem-gist (2026-203a947c26)
26 Oct 202600:00
–nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-105221
5 Oct 202600:00
–nessus
kitploit
Kitploit
cve-2026-105221-gist-tls
27 Oct 202616:49
–kitploit
mend
Mend
CVE-2026-105221
4 Oct 202622:31
–mend
nvd
NVD
CVE-2026-105221
4 Oct 202623:16
–nvd
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06 Oct 2026 00:00Current
6Medium risk
Vulners AI Score6
CVSS 3.17.4
CVSS 49.1
EPSS0.00226
SSVC
13