MAL-2025-6542

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/malimaloo/MAL-2025-6542.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2025-6542
Published
2025-07-04T11:41:06Z
Modified
2026-03-19T12:54:26.265153Z
Summary
Malicious code in malimaloo (PyPI)
Details

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

Source: kam193 (cfbfc14d4873b047e472e26b760198ecc402eb1ed35d59ab3ace8dc31936690f)

The only goal of the package is to execute a webhook or a suspicious file during installation.

Closely related to 2025-07-0x9xnx - created after previous packages were quarantined, similar names, similar usage, but no clearly malicious parts.

Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.

Campaign: 2025-07-malimalo

Reasons (based on the campaign):

  • The package overrides the install command in setup.py to execute malicious code during installation.
Database specific 
{
    "malicious-packages-origins": [
        {
            "versions": [
                "0.0.1"
            ],
            "id": "RLMA-2025-03638",
            "modified_time": "2025-07-31T19:15:38Z",
            "import_time": "2025-08-01T10:07:12.446952098Z",
            "sha256": "f410ef7535e010e1e283416e8c5d9f3bb1dc0bf1667b4143674e424167202125",
            "source": "reversing-labs"
        },
        {
            "id": "pypi/2025-07-malimalo/malimaloo",
            "modified_time": "2025-07-04T11:41:06Z",
            "import_time": "2025-12-02T22:30:56.191593478Z",
            "sha256": "93ab3691b0e53219db1c79882a085b949b0d3cde8d3efc4bb4e0bba86a68fb0b",
            "ranges": [
                {
                    "type": "ECOSYSTEM",
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ]
                }
            ],
            "source": "kam193"
        },
        {
            "id": "pypi/2025-07-malimalo/malimaloo",
            "modified_time": "2025-07-04T11:41:06Z",
            "import_time": "2025-12-02T23:07:19.37325303Z",
            "sha256": "cfbfc14d4873b047e472e26b760198ecc402eb1ed35d59ab3ace8dc31936690f",
            "ranges": [
                {
                    "type": "ECOSYSTEM",
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ]
                }
            ],
            "source": "kam193"
        },
        {
            "versions": [
                "0.0.1"
            ],
            "id": "pypi/2025-07-malimalo/malimaloo",
            "modified_time": "2025-07-04T11:41:06Z",
            "import_time": "2025-12-10T21:38:58.49907869Z",
            "sha256": "4b344f7c45a7199088d9b12b4f990d79b8e38eb2821567bd42a388ad6420d0cd",
            "source": "kam193"
        },
        {
            "id": "RLUA-2026-00490",
            "modified_time": "2026-03-18T12:15:48Z",
            "import_time": "2026-03-19T12:20:01.225704863Z",
            "sha256": "fe57b8aa147cc1c4152c4cb98db9b6913618c4daa63975f16e030fe281eb8e66",
            "source": "reversing-labs"
        }
    ]
}
References
Credits

Affected packages

PyPI / malimaloo

Package

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

Affected ranges

Affected versions

0.*
0.0.1

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/malimaloo/MAL-2025-6542.json"