CVE-2026-105221
7.4 HIGHpublic exploit availablePublished 2026-10-04 · Updated 2026-10-06
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD 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 vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses
CWE-295
Public exploit & PoC references
All references
- https://github.com/defunkt/gist
- https://github.com/defunkt/gist/blob/v6.0.0/lib/gist.rb#L466-L468
- https://github.com/defunkt/gist/commit/07ccc1a6d46e9d36f0e85d0b1c5d795890ae6bcf
- https://github.com/defunkt/gist/issues/373
- https://www.vulncheck.com/advisories/gist-rubygem-before-6.1.0-disabled-tls-certificate-verification
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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