MAL-2026-1318

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/@web-monorepo/fetchers/MAL-2026-1318.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-1318
Published
2026-03-10T08:31:27Z
Modified
2026-03-23T05:39:22.566041Z
Summary
Malicious code in @web-monorepo/fetchers (npm)
Details

Package is malware. It exfiltrates data to a suspicious domain via callback.js, triggered by a preinstall script in package.json.

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

Source: amazon-inspector (a3faaa666cb666785670b3a638b1f832d4492f7eb2c999f41f7bb551cde2aa86)

The package @web-monorepo/fetchers was found to contain malicious code.

Database specific 
{
    "malicious-packages-origins": [
        {
            "modified_time": "2026-03-23T05:11:41Z",
            "ranges": [
                {
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ],
                    "type": "SEMVER"
                }
            ],
            "sha256": "a3faaa666cb666785670b3a638b1f832d4492f7eb2c999f41f7bb551cde2aa86",
            "source": "amazon-inspector",
            "import_time": "2026-03-23T05:14:02.9604562Z"
        }
    ]
}
References
Credits

Affected packages

npm / @web-monorepo/fetchers

Package

Name
@web-monorepo/fetchers
View open source insights on deps.dev
Purl
pkg:npm/%40web-monorepo/fetchers

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/@web-monorepo/fetchers/MAL-2026-1318.json"