CVE Watch15 jul 2026

CVE-2026-42246

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6

CVSS

7.4

Alto

EPSS

0.3%

p25

KEV

—

Exploit Today

0-100

Publicado: 9 may 2026 · Última mod.: 15 jul 2026 · CWE-392 · CWE-393 · CWE-636

EPSS · 30d

0.3%EPSS · 30 días0.3%

2026-06-302026-07-16

Descripción técnica

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middle attacker can cause Net::IMAP#starttls to return "successfully", without starting TLS. This issue has been patched in versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4.

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