MAL-2026-9886

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/rubygems/zwkopt4/MAL-2026-9886.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-9886
Aliases
  • GHSA-xfcx-5wjj-fffv
Published
2026-07-07T12:14:54Z
Modified
2026-07-18T11:05:28.975269210Z
Summary
Malicious code in zwkopt4 (RubyGems)
Details

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

## Source: ghsa-malware (50324cd8d6f4d84ece59cc540f3550cec187f3657f16437cd5b644a130955291)

Credit: OpenSSF (source)

Database specific 
{
    "malicious-packages-origins": [
        {
            "import_time": "2026-07-09T09:15:33.623082914Z",
            "source": "reversing-labs",
            "sha256": "8840f392193857c14db17db30958c2a4a0b76e84b73d9a44e268d649ee8c6b5a",
            "versions": [
                "0.0.3492"
            ],
            "id": "RLMA-2026-04537",
            "modified_time": "2026-07-07T12:14:54Z"
        },
        {
            "import_time": "2026-07-18T10:46:32.040156536Z",
            "modified_time": "2026-07-18T01:59:28Z",
            "sha256": "50324cd8d6f4d84ece59cc540f3550cec187f3657f16437cd5b644a130955291",
            "versions": [
                "0.0.3492"
            ],
            "id": "GHSA-xfcx-5wjj-fffv",
            "source": "ghsa-malware"
        }
    ]
}
References
Credits

Affected packages

RubyGems / zwkopt4

Package

Name
zwkopt4
Purl
pkg:gem/zwkopt4

Affected ranges

Affected versions

0.*
0.0.3492

Database specific

cwes 
[
    {
        "cweId": "CWE-506",
        "name": "Embedded Malicious Code",
        "description": "The product contains code that appears to be malicious in nature."
    }
]
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/rubygems/zwkopt4/MAL-2026-9886.json"