← Back to CVE search

CVE-2026-42257

Net::IMAP

Description

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, several Net::IMAP commands accept a raw string argument that is sent to the server without validation or escaping. If this string is derived from user-controlled input, it may contain contain CRLF sequences, which an attacker can use to inject arbitrary IMAP commands. This issue has been patched in versions 0.4.24, 0.5.14, and 0.6.4.

CVSS 9.8EPSS 0.42900000000000005%Risk 1.02
View source
Published
2026-05-09 20:16:28
Affected versions
<0.4.24,<0.5.14,<0.6.4
Type
Package
Last modified
2026-07-24 21:10:00
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H