VULNERABILITY INTELLIGENCE

CVE-2026-42258

CVSS score5.3 MEDIUM
EPSS probability0.78%
CISA KEVNot currently listed
Published2026-05-09
Last modified2026-08-24
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L

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, 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.

Weakness classification

  • security-advisories@github.com: CWE-77
  • 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-93

Primary references