MAL-2026-10912

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/shark-e2e-bnsneo/MAL-2026-10912.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-10912
Published
2026-07-20T10:13:52Z
Modified
2026-08-05T06:36:44Z
Summary
Malicious code in shark-e2e-bnsneo (PyPI)
Details

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

Source: amazon-inspector (7d634ef25cc07c2f00565518ab2cd2484a0dbf70a5d32d81376f3f7592bd1804)

On import, init.py decodes a base64-encoded string and passes it to exec() inside a _sync_module_docs() helper invoked at module top level. The decoded payload is a Windows-only ctypes call that displays a MessageBox (ctypes.windll.user32.MessageBoxW) and performs no network I/O, no filesystem reads of installer secrets, no credential access, and no persistence. The package metadata describes it as an end-to-end test artifact. The concern is the dispatch pattern itself — opaque base64-then-exec at import time is the obfuscated-code-execution shape and is unsafe regardless of today's payload, because the encoded blob is not human-reviewable and could change between releases. No attacker benefit is reachable in this version: the decoded code does not exfiltrate, drop, relay, or persist.

Database specific 
{
    "malicious-packages-origins": [
        {
            "id": "RLMA-2026-05392",
            "import_time": "2026-07-20T13:14:39.087581069Z",
            "modified_time": "2026-07-20T10:13:52Z",
            "sha256": "bb61ad98eec9da84e25382e0bc0f6abcea86bb84e2a60ace08d3ce38a0546abe",
            "source": "reversing-labs",
            "versions": [
                "0.2.9",
                "0.2.10",
                "0.3.1"
            ]
        },
        {
            "id": "IN-MAL-2026-013147",
            "import_time": "2026-08-05T06:00:47.34012531Z",
            "modified_time": "2026-08-05T05:40:34Z",
            "sha256": "61f4873e44c715f4911e39206843f789baa4e3dcbde8a33b03a6825b66e0620d",
            "source": "amazon-inspector",
            "versions": [
                "0.2.10"
            ]
        },
        {
            "id": "IN-MAL-2026-012927",
            "import_time": "2026-08-05T06:00:20.718027118Z",
            "modified_time": "2026-08-05T05:09:13Z",
            "sha256": "7d634ef25cc07c2f00565518ab2cd2484a0dbf70a5d32d81376f3f7592bd1804",
            "source": "amazon-inspector",
            "versions": [
                "0.2.9"
            ]
        },
        {
            "id": "IN-MAL-2026-012929",
            "import_time": "2026-08-05T06:00:20.961331451Z",
            "modified_time": "2026-08-05T05:09:31Z",
            "sha256": "8e4381574acbf12443557fb9fa924d9132329336ea5c727197f69452b1068073",
            "source": "amazon-inspector",
            "versions": [
                "0.3.1"
            ]
        }
    ]
}
References
Credits

Affected packages

PyPI / shark-e2e-bnsneo

Package

Name
shark-e2e-bnsneo
View open source insights on deps.dev
Purl
pkg:pypi/shark-e2e-bnsneo

Affected ranges

Affected versions

0.*
0.2.9
0.2.10
0.3.1

Database specific

cwes 
[
    {
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature.",
        "name": "Embedded Malicious Code"
    },
    {
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature.",
        "name": "Embedded Malicious Code"
    },
    {
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature.",
        "name": "Embedded Malicious Code"
    }
]
indicators 
{
    "evidence_files": [
        {
            "path": "shark_e2e_test/__init__.py",
            "sha256": "1171f97d989783bcb379561ea9da11cff268d5abc5153ed4d9afa7c2add5f9bd",
            "tlsh": "ede02853d4f16873c07cc539e1011c9fc55f7ecc418134d0ae0d60e45f0017518d241d"
        }
    ],
    "package_integrity": [
        {
            "filename": "shark_e2e_bnsneo-0.2.10-py3-none-any.whl",
            "hashes": {
                "blake2b_256": "e4b1d7fed51820dbbc0451b1b6269838c68f93a9a1d31bcfe64ff7a353f9ba2b",
                "md5": "5430c33ccad1bacd98b4a849ff7b4788",
                "sha256": "43a87950b68b2299537f5c08cba4571e9e88b7caa45a131468970d1b0e486f46"
            }
        },
        {
            "filename": "shark_e2e_bnsneo-0.2.10.tar.gz",
            "hashes": {
                "blake2b_256": "ac14d093fb1537e9d35acfa17834a1ef1c0b715b19097a70493daf7caa5099b6",
                "md5": "761ccc25a161bd39969fa89131d5e16a",
                "sha256": "15ec5a2d326f8115c511abc12f63edd2cc8773dc2dbca9cd29f769b6200b0b0a"
            }
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/shark-e2e-bnsneo/MAL-2026-10912.json"