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Package · NuGet

MimeKit

2 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • Medium 6.9
    CVE-2026-30227

    MimeKit: CRLF Injection in Quoted Local-Part Enables SMTP Command Injection and Email Forgery

    MimeKit is a C# library which may be used for the creation and parsing of messages using the Multipurpose Internet Mail Extension (MIME), as defined by numerous IETF specifications. Prior to version 4.15.1, a CRLF injection vulnerability in MimeKit allows an …

    jstedfast MimeKit MimeKit NuGet
  • High 7.5
    GHSA-gmc6-fwg3-75m5

    Mimekit has vulnerable dependency that can lead to denial of service

    ### Summary Denial of service vulnerability. ### Details See: https://github.com/advisories/GHSA-447r-wph3-92pm and https://github.com/dotnet/announcements/issues/312 ### PoC Update System.Security.Cryptography.Pkcs to 8.0.1 so that the transitive dependency …

    MimeKit NuGet