CVE-2026-105221 — Gist RubyGem before 6.1.0 Disabled TLS Certificate Verification
The gist RubyGem before 6.1.0 contains an improper certificate validation vulnerability that allows on-path attackers to intercept HTTPS traffic because http_connection in lib/g…
Published: 2026-10-04 · CVSS: 9.1 · CVSS 4.0
The gist RubyGem before 6.1.0 contains an improper certificate validation vulnerability that allows on-path attackers to intercept HTTPS traffic because http_connection in lib/gist.rb sets VERIFY_NONE. Attackers can present any certificate to read or modify GitHub API traffic, stealing OAuth tokens and login credentials to read and modify the victim's gists.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7