MailBee (NuGet) · Malicious Code
Affects MailBeeSource GCVE Database
Rated by Threat Radar
Data as of 20 Jul 2026, 20:14 UTC
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
NuGetMailBeepkg:nuget/MailBeeOther threats | Affected
| Fixed in– |
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AI-suggested
Until official guidance or patches are available, users should avoid using the affected versions (12.3.1 to 12.3.5) of MailBee from NuGet. Consider obtaining the package from verified clean sources or earlier known-good versions if available. Monitor official vendor channels and security advisories for updates.
Description
Malicious code has been identified in specific versions of the MailBee package distributed via NuGet. The affected versions are 12.3.1, 12.3.2, 12.3.3, 12.3.4, and 12.3.5. This issue is classified as a malicious package threat rather than a traditional software vulnerability. There is no CVSS score or detailed impact analysis available. No known exploits in the wild have been reported. No patch or remediation information is provided in the source data.