MAL-2026-2902

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/lockedin-chai-chain/MAL-2026-2902.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-2902
Published
2026-04-15T22:05:03Z
Modified
2026-04-23T21:18:39.218054Z
Summary
Malicious code in lockedin-chai-chain (npm)
Details

lockedin-chai-chain is a malicious npm package that when imported downloads a C2 dropper from https://jsonkeeper[.]com/b/FAWPU and executes it (similar to malware in to chai-await-test).

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

Source: amazon-inspector (5f043508b642cb099f524948847b7a4835d3646132e8728ce3ee38864f14b733)

The package lockedin-chai-chain was found to contain malicious code.

Database specific 
{
    "iocs": {
        "urls": [
            "https://jsonkeeper.com/b/FAWPU"
        ]
    },
    "malicious-packages-origins": [
        {
            "import_time": "2026-04-23T20:49:07.750024719Z",
            "sha256": "5f043508b642cb099f524948847b7a4835d3646132e8728ce3ee38864f14b733",
            "ranges": [
                {
                    "type": "SEMVER",
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ]
                }
            ],
            "source": "amazon-inspector",
            "modified_time": "2026-04-23T20:43:56Z"
        }
    ]
}
References
Credits

Affected packages

npm / lockedin-chai-chain

Package

Name
lockedin-chai-chain
View open source insights on deps.dev
Purl
pkg:npm/lockedin-chai-chain

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/lockedin-chai-chain/MAL-2026-2902.json"