CVE-2026-105221
CRITICAL7.4CVSS v3
—CVSS v2
0.18%
EPSS (exploit probability)
CWE-295CWE
Description
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.
CVSS v3 vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected routers (0)
No routers currently mapped to this CVE in our database.