MAL-2026-13501

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/delivery-ci-jira-rnd/MAL-2026-13501.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-13501
Published
2026-08-07T12:13:10Z
Modified
2026-08-07T12:35:10.191289509Z
Summary
Malicious code in delivery-ci-jira-rnd (npm)
Details

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

Source: amazon-inspector (9178cec9a952384e307589c3d50840761b3c260ced53213ec8a02f85f629bfd9)

On require of the package, index.js loads bridge.js which selects a platform-specific endpoint and downloads a binary over HTTPS from Cloudflare Workers hosts assembled from split string literals (e.g. "oob-worker"+".cf102-baf.workers."+"dev" and similar cf101/cf103 variants), with a DNS-TXT covert-channel fallback that reassembles a base64 payload from numbered subdomains under sdk.dl.wel1.ru. The downloaded bytes are written to a hidden masquerading path in /tmp or %TEMP% (".cache<hex>" or "dotnetdiag<hex>.exe"), chmod 0755, and spawned detached via /bin/sh -c or cmd.exe. Execution is gated by a TTL stamp file and labelled as telemetry. The hostname obfuscation and DNS-TXT fallback channel are consistent with intentional evasion of static string scanning.

Database specific 
{
    "malicious-packages-origins": [
        {
            "modified_time": "2026-08-07T12:13:10Z",
            "source": "amazon-inspector",
            "sha256": "9178cec9a952384e307589c3d50840761b3c260ced53213ec8a02f85f629bfd9",
            "import_time": "2026-08-07T12:23:25.836583125Z",
            "id": "IN-MAL-2026-016888",
            "versions": [
                "35.5.4"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / delivery-ci-jira-rnd

Package

Name
delivery-ci-jira-rnd
View open source insights on deps.dev
Purl
pkg:npm/delivery-ci-jira-rnd

Affected ranges

Affected versions

35.*
35.5.4

Database specific

indicators 
{
    "package_integrity": [
        {
            "filename": "delivery-ci-jira-rnd-35.5.4.tgz",
            "hashes": {
                "sha512_sri": "sha512-SqLsX89HOktpUfy2JmL/HyoIPTX2zVmeAeiSexO/SbM07QE9OtFbk0lywa1QBQ30HLreRPN9IfYcn5gadRSmmQ==",
                "sha1": "6e67592961269c92ce45dd6b7c089beb545de135"
            }
        }
    ],
    "evidence_files": [
        {
            "tlsh": "8ba1969a16a970084bb0a7e48717441af55bf2633781d298fb5c65d41fb24248372efc",
            "sha256": "fa9d08ce5f5dc12637fb1d2476f05f3be982d4caeb41f0e8b27fb07664ef9237",
            "path": "_bridge.js"
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/delivery-ci-jira-rnd/MAL-2026-13501.json"
cwes 
[
    {
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature.",
        "name": "Embedded Malicious Code"
    }
]