MAL-2026-2933

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/@kjma/mailcraft/MAL-2026-2933.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-2933
Aliases
  • GHSA-xf6v-jvfc-m994
Published
2026-04-20T06:15:42Z
Modified
2026-04-23T21:10:38.923945Z
Summary
Malicious code in @kjma/mailcraft (npm)
Details

-= Per source details. Do not edit below this line.=-

Source: amazon-inspector (69f8916db8f38815341618cd61534b177ef9984ab2dd5774e445bb072fcf10c6)

The package @kjma/mailcraft was found to contain malicious code.

Source: ghsa-malware (5e4802b882a28ccb6e1c4c9bf610c05c4a2a023d7018fb66c0ac46623b8560de)

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

Database specific 
{
    "malicious-packages-origins": [
        {
            "ranges": [
                {
                    "type": "SEMVER",
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ]
                }
            ],
            "modified_time": "2026-04-20T06:15:43Z",
            "id": "GHSA-xf6v-jvfc-m994",
            "sha256": "5e4802b882a28ccb6e1c4c9bf610c05c4a2a023d7018fb66c0ac46623b8560de",
            "import_time": "2026-04-20T07:05:05.276026236Z",
            "source": "ghsa-malware"
        },
        {
            "ranges": [
                {
                    "type": "SEMVER",
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ]
                }
            ],
            "modified_time": "2026-04-23T20:43:56Z",
            "sha256": "69f8916db8f38815341618cd61534b177ef9984ab2dd5774e445bb072fcf10c6",
            "import_time": "2026-04-23T20:49:14.114582649Z",
            "source": "amazon-inspector"
        }
    ]
}
References
Credits

Affected packages

npm / @kjma/mailcraft

Package

Name
@kjma/mailcraft
View open source insights on deps.dev
Purl
pkg:npm/%40kjma/mailcraft

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected

Database specific

cwes 
[
    {
        "name": "Embedded Malicious Code",
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature."
    }
]
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/@kjma/mailcraft/MAL-2026-2933.json"