CVE-2026-42258
net-imap: Command Injection via unvalidated Symbol inputs
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:HAttack ComplexityHigh
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:HIntegrityHigh
A:LAvailabilityLow
Weaknesses
Affected Products
ruby
oss-project·JP
ruby-lang
oss-projectaka ruby, rexml
Exploitability
Workaround Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
1 technique Execution
References
https://github.com/ruby/net-imap/security/advisories/GHSA-75xq-5h9v-w6px
github.com
https://github.com/ruby/net-imap/releases/tag/v0.4.24
github.com
https://github.com/ruby/net-imap/releases/tag/v0.5.14
github.com
and 24 more references View all →
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