MAL-2026-12088

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/@wethenorth12/bitcoinjs-wallet/MAL-2026-12088.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-12088
Published
2026-08-05T06:24:40Z
Modified
2026-08-05T07:20:51.097126474Z
Summary
Malicious code in @wethenorth12/bitcoinjs-wallet (npm)
Details

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

Source: amazon-inspector (94f602036ff9f524298056528fbec6c58c9fb66ea2686bec418694b5854aeea4)

On require(), index.js collects the full process.env object together with hostname, username, home directory, platform, current working directory, and a timestamp, JSON-encodes and base64-encodes the payload, and issues an HTTPS GET to api.telegram.org/bot<token>/sendMessage with a hardcoded bot token and chat_id. A tmp-file flag suppresses re-sending. The package advertises itself as a 'Drop-in replacement for bitcoinjs-lib' under an unrelated scope and ships only stub wallet functions alongside this exfiltration payload, consistent with a typosquat lure targeting bitcoinjs-lib users. In modern development and CI environments, process.env routinely contains cloud credentials, npm/GitHub tokens, and database passwords, all of which are sent to the attacker-controlled Telegram chat on module load.

Database specific 
{
    "malicious-packages-origins": [
        {
            "import_time": "2026-08-05T07:06:47.939782616Z",
            "sha256": "94f602036ff9f524298056528fbec6c58c9fb66ea2686bec418694b5854aeea4",
            "modified_time": "2026-08-05T06:24:40Z",
            "source": "amazon-inspector",
            "id": "IN-MAL-2026-013448",
            "versions": [
                "5.4.2"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / @wethenorth12/bitcoinjs-wallet

Package

Name
@wethenorth12/bitcoinjs-wallet
View open source insights on deps.dev
Purl
pkg:npm/%40wethenorth12/bitcoinjs-wallet

Affected ranges

Affected versions

5.*
5.4.2

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/@wethenorth12/bitcoinjs-wallet/MAL-2026-12088.json"
indicators 
{
    "evidence_files": [
        {
            "sha256": "3d3afcdc0d19893d0b3b9448f5f98f669bb799388a036204fd12d688d871297c",
            "tlsh": "182166dc27f1f94e22336142542f610ab2bbdae20488e661d5a4d0c76f741cc8d6578c",
            "path": "index.js"
        }
    ],
    "package_integrity": [
        {
            "filename": "bitcoinjs-wallet-5.4.2.tgz",
            "hashes": {
                "sha512_sri": "sha512-NaTj2ORja1/HDr9AvfSfgE4je3AYkD5VqMKiVJ4M9BRfpQMEaXTPoOAOYmhTtBHAD5/m5zdO2BJjGU+9FYJHog==",
                "sha1": "3e4d74e82b4957f614894357e53b73713f10b5f1"
            }
        }
    ]
}
cwes 
[
    {
        "name": "Embedded Malicious Code",
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature."
    }
]