CVE-2026-42258
net-imap: Command Injection via unvalidated Symbol inputs
CVSS Score
0.0
EPSS Score
0.1%
EPSS Percentile
26th
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.
| CWE | CWE-77 CWE-93 |
| Vendor | ruby |
| Product | net-imap |
| Ecosystems | |
| Industries | Technology |
| Published | May 9, 2026 |
| Last Updated | May 11, 2026 |
Stay Ahead of the Next One
Get instant alerts for ruby net-imap
Be the first to know when new unknown vulnerabilities affecting ruby net-imap are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
ruby / net-imap
< 0.4.24 >= 0.5.0, < 0.5.14 >= 0.6.0, < 0.6.4