MAL-2026-1433

See a problem?
Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/kvstore-pb2-grpc/MAL-2026-1433.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-1433
Published
2026-03-15T09:36:30Z
Modified
2026-03-15T10:21:52.533242Z
Summary
Malicious code in kvstore-pb2-grpc (PyPI)
Details

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

Source: kam193 (7208dedf651be9d1e330692ef042b89e5bcae7e8aeee7f2ab400d49e7a574de8)

During import, package decrypts and runs a malicious executable. The executable is hidden in an encoded and xored form in the JSON resource file.

This is a follow up of the campaign 2026-03-fastapi-middleware-cors

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2026-03-ariadne-federation

Reasons (based on the campaign):

  • malware

  • obfuscation

  • dependency-confusion

  • typosquatting

Database specific 
{
    "malicious-packages-origins": [
        {
            "source": "kam193",
            "sha256": "7208dedf651be9d1e330692ef042b89e5bcae7e8aeee7f2ab400d49e7a574de8",
            "versions": [
                "16.0.0"
            ],
            "import_time": "2026-03-15T10:10:46.362562444Z",
            "modified_time": "2026-03-15T09:36:30.05829Z",
            "id": "pypi/2026-03-ariadne-federation/kvstore-pb2-grpc"
        }
    ]
}
References
Credits

Affected packages

PyPI / kvstore-pb2-grpc

Package

Name
kvstore-pb2-grpc
View open source insights on deps.dev
Purl
pkg:pypi/kvstore-pb2-grpc

Affected ranges

Affected versions

16.*
16.0.0

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/kvstore-pb2-grpc/MAL-2026-1433.json"