CVE-2026-105221

Published: Ott 05, 2026 Last Modified: Ott 05, 2026
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,1
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
HIGH 7,4
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: none

Description

AI Translation Available

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.

295

Improper Certificate Validation

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Authentication
Potential Impacts:
Bypass Protection Mechanism Gain Privileges Or Assume Identity
Applicable Platforms
Technologies: Not Technology-Specific, Web Based, Mobile
View CWE Details
https://github.com/defunkt/gist
https://github.com/defunkt/gist
https://github.com/defunkt/gist/blob/v6.0.0/lib/gist.rb#L46…
https://github.com/defunkt/gist/blob/v6.0.0/lib/gist.rb#L466-L468
https://github.com/defunkt/gist/commit/07ccc1a6d46e9d36f0e8…
https://github.com/defunkt/gist/commit/07ccc1a6d46e9d36f0e85d0b1c5d795890ae6bcf
https://github.com/defunkt/gist/issues/373
https://github.com/defunkt/gist/issues/373
https://www.vulncheck.com/advisories/gist-rubygem-before-6.…
https://www.vulncheck.com/advisories/gist-rubygem-before-6.1.0-disabled-tls-cer…