Malicious code in MailBee (NuGet)
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.
AI Analysis
Technical Summary
The MailBee package versions 12.3.1 through 12.3.5 on NuGet have been flagged for containing malicious code, as reported by the OpenSSF malicious packages database and tracked under MAL-2024-4540. This is a supply chain threat involving the distribution of malicious software through a trusted package repository. No further technical details or exploit mechanisms are provided in the available data.
Potential Impact
The presence of malicious code in these specific MailBee package versions could lead to compromise of systems that install or use these packages. However, no specific impact details or exploitation reports are available. The threat is primarily the risk of executing unauthorized or harmful code from a trusted source.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. 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.
Malicious code in MailBee (NuGet)
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.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The MailBee package versions 12.3.1 through 12.3.5 on NuGet have been flagged for containing malicious code, as reported by the OpenSSF malicious packages database and tracked under MAL-2024-4540. This is a supply chain threat involving the distribution of malicious software through a trusted package repository. No further technical details or exploit mechanisms are provided in the available data.
Potential Impact
The presence of malicious code in these specific MailBee package versions could lead to compromise of systems that install or use these packages. However, no specific impact details or exploitation reports are available. The threat is primarily the risk of executing unauthorized or harmful code from a trusted source.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. 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.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2024-4540
- Osv Schema Version
- 1.7.4
- Aliases
- ["GHSA-f2fv-p2pp-785v"]
- Ecosystems
- ["NuGet"]
Threat ID: 6a5e7a022a4a8d59899d8833
Added to database: 07/20/2026, 19:41:54 UTC
Last enriched: 07/20/2026, 20:14:51 UTC
Last updated: 09/07/2026, 08:28:42 UTC
Views: 10
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