CVE-2026-42258

Published: Mag 09, 2026 Last Modified: Mag 09, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 5,8
Source: [email protected]
Attack Vector: local
Attack Complexity: high
Privileges Required: none
User Interaction: passive
Confidentiality: N/A
Integrity: N/A
Availability: N/A

Description

AI Translation Available

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, symbol arguments to commands are vulnerable to a CRLF Injection / IMAP Command injection via Symbol arguments passed to IMAP commands. This issue has been patched in versions 0.4.24, 0.5.14, and 0.6.4.

77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

Draft
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies: AI/ML
Likelihood of Exploit: High
View CWE Details
93

Improper Neutralization of CRLF Sequences ('CRLF Injection')

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity
Potential Impacts:
Modify Application Data
Applicable Platforms
All platforms may be affected
View CWE Details
https://github.com/ruby/net-imap/releases/tag/v0.4.24
https://github.com/ruby/net-imap/releases/tag/v0.4.24
https://github.com/ruby/net-imap/releases/tag/v0.5.14
https://github.com/ruby/net-imap/releases/tag/v0.5.14
https://github.com/ruby/net-imap/releases/tag/v0.6.4
https://github.com/ruby/net-imap/releases/tag/v0.6.4
https://github.com/ruby/net-imap/security/advisories/GHSA-7…
https://github.com/ruby/net-imap/security/advisories/GHSA-75xq-5h9v-w6px