MAL-2025-41790

See a problem?
Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/tsesyx/MAL-2025-41790.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2025-41790
Published
2025-08-02T16:21:06Z
Modified
2026-03-19T12:58:00.856193Z
Summary
Malicious code in tsesyx (PyPI)
Details

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

Source: kam193 (7c8ea2b8c69693d4bd40c7c4b952878565e3bfaa6eb0ea02ab6ef9ca18eadea8)

When imported, the package attempts to exfiltrate environment variables and basic user info

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

Campaign: 2025-07-triple-equals

Reasons (based on the campaign):

  • exfiltration-env-variables

  • The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.

Database specific 
{
    "malicious-packages-origins": [
        {
            "versions": [
                "10.0.5"
            ],
            "sha256": "980a9a77c128d2ed5a54b014dc0080c745e74f7d3aba31ad4542585a71244cae",
            "modified_time": "2025-08-28T07:12:10Z",
            "source": "reversing-labs",
            "id": "RLMA-2025-04288",
            "import_time": "2025-08-29T06:41:56.589423443Z"
        },
        {
            "sha256": "884383ef26c14f8a606374b70c24361b5cdf26da20b5723e55c824c85d49770b",
            "ranges": [
                {
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ],
                    "type": "ECOSYSTEM"
                }
            ],
            "modified_time": "2025-08-02T16:21:06.966508Z",
            "source": "kam193",
            "id": "pypi/2025-07-triple-equals/tsesyx",
            "import_time": "2025-12-02T22:30:55.685469872Z"
        },
        {
            "sha256": "7c8ea2b8c69693d4bd40c7c4b952878565e3bfaa6eb0ea02ab6ef9ca18eadea8",
            "ranges": [
                {
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ],
                    "type": "ECOSYSTEM"
                }
            ],
            "modified_time": "2025-08-02T16:21:06.966508Z",
            "source": "kam193",
            "id": "pypi/2025-07-triple-equals/tsesyx",
            "import_time": "2025-12-02T23:07:18.731782625Z"
        },
        {
            "versions": [
                "10.0.5"
            ],
            "sha256": "79c93ef0d721adb368d09b9fb1e00653d06458626bc90f5cf8d911e189373c74",
            "modified_time": "2025-08-02T16:21:06.966508Z",
            "source": "kam193",
            "id": "pypi/2025-07-triple-equals/tsesyx",
            "import_time": "2025-12-10T21:38:57.903737376Z"
        },
        {
            "sha256": "0a895274ce3ed743ecd4e5179cccaac6a54498d7109e91eed109ead5ff92587d",
            "modified_time": "2026-03-18T12:19:56Z",
            "source": "reversing-labs",
            "id": "RLUA-2026-00867",
            "import_time": "2026-03-19T12:20:38.359519733Z"
        }
    ]
}
References
Credits

Affected packages

PyPI / tsesyx

Package

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

Affected ranges

Affected versions

10.*
10.0.5

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/tsesyx/MAL-2025-41790.json"