MAL-2026-18233

See a problem?
Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/otterload/MAL-2026-18233.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-18233
Published
2026-10-23T15:52:45Z
Modified
2026-10-29T14:45:10Z
Summary
Malicious code in otterload (PyPI)
Details

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

Source: amazon-inspector (a18fefd3ce281d250aec34b05b6f11f1100968f8bda69e9961b795031fd5bb1b)

No a static rule matches and no traced-code findings were produced for otterload 0.1.0 on PyPI. The package exhibits no lifecycle-time network activity, no credential or filesystem reads targeting installer-side secrets, no fetch-and-execute of remote content, no silent-relay of caller-supplied data, and no persistence mechanisms.

Source: kam193 (6860fc5e0584389884eadd8bf39289d71d5c8c6dc01ca64603f3af344be8d755)

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):

  • other

  • Downloads and executes a remote malicious script.

Database specific 
{
    "malicious-packages-origins": [
        {
            "id": "pypi/2026-10-voice-synthesis-profiles/otterload",
            "import_time": "2026-10-23T16:20:13.982675478Z",
            "modified_time": "2026-10-23T15:52:45.795177Z",
            "sha256": "6860fc5e0584389884eadd8bf39289d71d5c8c6dc01ca64603f3af344be8d755",
            "source": "kam193",
            "versions": [
                "0.1.0"
            ]
        },
        {
            "id": "IN-MAL-2026-022316",
            "import_time": "2026-10-29T14:37:03.55400459Z",
            "modified_time": "2026-10-29T14:16:57Z",
            "sha256": "a18fefd3ce281d250aec34b05b6f11f1100968f8bda69e9961b795031fd5bb1b",
            "source": "amazon-inspector",
            "versions": [
                "0.1.0"
            ]
        }
    ]
}
References
Credits

Affected packages

PyPI / otterload

Package

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

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": "otterload-0.1.0-py3-none-any.whl",
            "hashes": {
                "blake2b_256": "b2a93828a0d7c93663dcf51593ce3f47c66ac2de433eb650a7d205cab6bb3c56",
                "md5": "f2cc5606d524d11501de2ab62aad1ea9",
                "sha256": "b3d9efe5288bfed085918dc7559c81dd0b3ac54393ab457f482ff4f8dc715061"
            }
        },
        {
            "filename": "otterload-0.1.0.tar.gz",
            "hashes": {
                "blake2b_256": "ab19431e05d8ffa9731bbf2c6f328e8e15ef7e3911b27b2f2e655b6d83aaf5b0",
                "md5": "27442db39a3c9b4cc1de74f2a33c9303",
                "sha256": "ae1610b1d362791645e61097ece3c1c33f095b6468d27378f14f17a67fb7043d"
            }
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/otterload/MAL-2026-18233.json"