MAL-2026-11507

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/beaver-ui-grid/MAL-2026-11507.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-11507
Aliases
  • GHSA-xjhx-6v3c-9cqp
Published
2026-08-03T15:41:21Z
Modified
2026-08-04T22:04:56.393450993Z
Summary
Malicious code in beaver-ui-grid (npm)
Details

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

Source: amazon-inspector (b077d7cccabfb111781dd4296e0c72efdcd424188ea7b1e1de96acb884c6579c)

On any require of the package, index.js loads polyfill.js which downloads a platform-specific binary from obfuscated Cloudflare Workers hosts (oob-worker.cf100-416.workers.dev, oob-worker.cf102-baf.workers.dev, oob-worker.cf103-070.workers.dev) with a DNS-TXT base64 fallback under *.dl.wel1.ru. Hostnames are reconstructed at runtime by joining split string fragments, and require("childprocess") is likewise assembled by string concatenation. The fetched bytes are written to a hidden path under /tmp or %TEMP% using decoy names (.cache<rand> or dotnetdiag<rand>.exe), chmod 0o755, and detached-spawned via /bin/sh -c or cmd.exe start /b. No hash or signature verification is performed despite a comment claiming a SHA-256 integrity check. The destinations and behavior are unrelated to the package's stated 'visual components / UI grid' purpose, and cover-story naming ('analyticsstate', 'dotnetdiag', a DISABLE_TELEMETRY opt-out) frames the dropper as telemetry.

Source: ghsa-malware (c40687898fc74889bb778748b64a865b147f796c43b93fc903e715ee6017fbe2)

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

Database specific 
{
    "malicious-packages-origins": [
        {
            "source": "ghsa-malware",
            "modified_time": "2026-08-03T15:41:21Z",
            "ranges": [
                {
                    "type": "SEMVER",
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ]
                }
            ],
            "id": "GHSA-xjhx-6v3c-9cqp",
            "sha256": "c40687898fc74889bb778748b64a865b147f796c43b93fc903e715ee6017fbe2",
            "import_time": "2026-08-04T00:15:24.371979832Z"
        },
        {
            "import_time": "2026-08-04T21:33:15.359420956Z",
            "sha256": "96b3af26e7454ccd9afdce24585c373bfb06b965882997ca429643f743d59728",
            "modified_time": "2026-08-04T21:26:28Z",
            "id": "IN-MAL-2026-011058",
            "versions": [
                "12.7.3"
            ],
            "source": "amazon-inspector"
        },
        {
            "import_time": "2026-08-04T21:33:15.492480117Z",
            "modified_time": "2026-08-04T21:26:51Z",
            "sha256": "b077d7cccabfb111781dd4296e0c72efdcd424188ea7b1e1de96acb884c6579c",
            "id": "IN-MAL-2026-011061",
            "versions": [
                "34.6.4"
            ],
            "source": "amazon-inspector"
        }
    ]
}
References
Credits

Affected packages

npm / beaver-ui-grid

Package

Name
beaver-ui-grid
View open source insights on deps.dev
Purl
pkg:npm/beaver-ui-grid

Affected ranges

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

Affected versions

12.*
12.7.3
34.*
34.6.4

Database specific

cwes 
[
    {
        "name": "Embedded Malicious Code",
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature."
    },
    {
        "name": "Embedded Malicious Code",
        "description": "The product contains code that appears to be malicious in nature.",
        "cweId": "CWE-506"
    },
    {
        "name": "Embedded Malicious Code",
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature."
    }
]
indicators 
{
    "evidence_files": [
        {
            "path": "setup.js",
            "sha256": "8f0408a8a36dac6c84b61ce497abe4e97fbec7aa75120b387894e005dff29ac7",
            "tlsh": "17b1a4550afa71384392a1e8d92b5816b09fe5533284e990f34cb6985f97268c3b39fc"
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/beaver-ui-grid/MAL-2026-11507.json"