MAL-2026-18136

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/brummatts/MAL-2026-18136.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-18136
Published
2026-10-21T23:04:14Z
Modified
2026-10-29T14:45:04Z
Summary
Malicious code in brummatts (PyPI)
Details

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

Source: amazon-inspector (09b780cc0f3d918e82d8f9999cba10b7188b785d2c42a1a7bab2bc2f693e21c2)

The brummatts 0.1.0 PyPI package shows no code paths performing credential access, outbound network I/O to attacker-controlled destinations, install-time fetch-and-execute, silent relay of caller data, backdoor channels, or self-propagation. No lifecycle hooks or import-time side effects of concern were identified across the 13 files examined.

Source: kam193 (605ea05e6c6344e7ddfb713297d7689ee050288b74ecbf0821039603dc3cdd45)

This campaign consists of similar loader packages, which provide executing code from a given URL. While they do not contain the malicious payload and the usage remains unknown, they are clearly a coordinated campaign to place multiple deceptive ways to load malicious code.

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

Campaign: 2026-10-voice-synthesis-profiles

Reasons (based on the campaign):

  • Downloads and executes a remote malicious script.

  • other

Database specific 
{
    "malicious-packages-origins": [
        {
            "id": "pypi/2026-10-voice-synthesis-profiles/brummatts",
            "import_time": "2026-10-21T23:40:12.28839671Z",
            "modified_time": "2026-10-21T23:04:14.93441Z",
            "sha256": "605ea05e6c6344e7ddfb713297d7689ee050288b74ecbf0821039603dc3cdd45",
            "source": "kam193",
            "versions": [
                "0.1.0"
            ]
        },
        {
            "id": "pypi/2026-10-voice-synthesis-profiles/brummatts",
            "import_time": "2026-10-22T01:26:38.72105912Z",
            "modified_time": "2026-10-21T23:04:14.93441Z",
            "sha256": "3f8db224d6e3b0f2e94c2b84f1e4f85b54350f63839e4126145109f557068bb5",
            "source": "kam193",
            "versions": [
                "0.1.0"
            ]
        },
        {
            "id": "pypi/2026-10-voice-synthesis-profiles/brummatts",
            "import_time": "2026-10-29T14:14:43.20778418Z",
            "modified_time": "2026-10-21T23:04:14.93441Z",
            "sha256": "dfa36cf70e465670b7a4dc2fba3a102e471b231620d4d3a2b5ada47e294db2b5",
            "source": "kam193",
            "versions": [
                "0.1.0"
            ]
        },
        {
            "id": "IN-MAL-2026-022366",
            "import_time": "2026-10-29T14:37:05.94842037Z",
            "modified_time": "2026-10-29T14:23:33Z",
            "sha256": "09b780cc0f3d918e82d8f9999cba10b7188b785d2c42a1a7bab2bc2f693e21c2",
            "source": "amazon-inspector",
            "versions": [
                "0.1.0"
            ]
        }
    ]
}
References
Credits

Affected packages

PyPI / brummatts

Package

Name
brummatts
View open source insights on deps.dev
Purl
pkg:pypi/brummatts

Affected ranges

Affected versions

0.*
0.1.0

Database specific

cwes 
[
    {
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature.",
        "name": "Embedded Malicious Code"
    }
]
indicators 
{
    "package_integrity": [
        {
            "filename": "brummatts-0.1.0-py3-none-any.whl",
            "hashes": {
                "blake2b_256": "d9782c693bd7f0747a19b6d53f6b909bbee316a02e5db0d325e9deeba6656dd5",
                "md5": "d47b13e443abf54034732fd2f8a4cdcd",
                "sha256": "3b124edac98d52874747ff7eae770666ca7ab30dd40f0a627d2caea5102a0327"
            }
        },
        {
            "filename": "brummatts-0.1.0.tar.gz",
            "hashes": {
                "blake2b_256": "b85e2a03140661d7b0e98ade8fd1dcfeda01a523fcfd5034a52be64f7c7f10f8",
                "md5": "87b2f3ea11c5037e366c9e7072e36fdc",
                "sha256": "f6b4e7a30d658e531cb8ac01e7ef5ad307d19f7a1c5fce271db24a11f07e51f8"
            }
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/brummatts/MAL-2026-18136.json"