MAL-2026-3423

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/byvendors/MAL-2026-3423.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-3423
Published
2026-05-11T05:50:43Z
Modified
2026-05-12T07:56:18.079830Z
Summary
Malicious code in byvendors (npm)
Details

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

Source: amazon-inspector (3d3ae01e4f5473c61cf7c26fdf51f64fa34c7f16451ce6c093a52fd85b79eff5)

The package byvendors was found to contain malicious code.

Source: ossf-package-analysis (1b7d770b773df64355a4fac410adc86f9778e470efdcc18ede73eb6024a3f982)

The OpenSSF Package Analysis project identified 'byvendors' @ 99.0.6 (npm) as malicious.

It is considered malicious because:

  • The package communicates with a domain associated with malicious activity.
Database specific 
{
    "malicious-packages-origins": [
        {
            "import_time": "2026-05-11T07:47:45.706160704Z",
            "sha256": "1b7d770b773df64355a4fac410adc86f9778e470efdcc18ede73eb6024a3f982",
            "source": "ossf-package-analysis",
            "modified_time": "2026-05-11T05:50:43Z",
            "versions": [
                "99.0.6"
            ]
        },
        {
            "import_time": "2026-05-11T07:47:45.807559406Z",
            "sha256": "ab8502681753baebb6a3e3746e3a7d591f7557b4f15a1865b536f78c38db991f",
            "source": "ossf-package-analysis",
            "modified_time": "2026-05-11T05:55:33Z",
            "versions": [
                "99.0.5"
            ]
        },
        {
            "import_time": "2026-05-12T07:28:56.188843117Z",
            "sha256": "3d3ae01e4f5473c61cf7c26fdf51f64fa34c7f16451ce6c093a52fd85b79eff5",
            "source": "amazon-inspector",
            "modified_time": "2026-05-12T06:53:21Z",
            "versions": [
                "99.0.6",
                "99.0.5"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / byvendors

Package

Name
byvendors
View open source insights on deps.dev
Purl
pkg:npm/byvendors

Affected ranges

Affected versions

99.*
99.0.5
99.0.6

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/byvendors/MAL-2026-3423.json"