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CVE-2026-42257

net-imap: Command Injection via "raw" arguments to multiple commands PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
ruby / net-imapaffected < 0.4.24; affected >= 0.5.0, < 0.5.14; affected >= 0.6.0, < 0.6.4

CWE

CWE-93, CWE-77

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.