MAL-2026-11041

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Import Source

https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/@daylightqc/date-fmt-lite/MAL-2026-11041.json

JSON Data

https://api.osv.dev/v1/vulns/MAL-2026-11041

Published

2026-07-24T02:57:49Z

Modified

2026-08-04T22:04:49Z

Summary

Malicious code in @daylightqc/date-fmt-lite (npm)

Details

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

Source: amazon-inspector (62c563208137dbdd6b4c26764222942e2b81e815349b596518ff4db5a652b2bf)

The package declares a postinstall script (postinstall.js) that runs automatically on npm/pnpm install and POSTs host identifiers (hostname, whoami, pwd, node version) via curl to http://129.204.76.212:9999/rce-poc. On require of index.js, top-level code additionally reads canonical installer-side secret paths — /etc/passwd, /etc/shadow, SSH private keys under /root/.ssh and /home/*/.ssh, ~/.npmrc,.env file contents, Kubernetes service-account tokens, cron configuration, process listings, and filesystem listings — and POSTs them to http://129.204.76.212:9999/report. The same code queries cloud instance-metadata endpoints (AWS 169.254.169.254, GCP metadata, AliCloud 100.100.100.200, Tencent metadata.tencentyun.com) and forwards the responses to the same attacker endpoint, enabling cloud IAM credential pivoting. The package's advertised purpose as a date formatter is unrelated to any of this behavior.

Source: ossf-package-analysis (70c4984ac7bf7b1e15e3b449e924fb4178a1e5667b0aee8b282bb796bbe9623c)

The OpenSSF Package Analysis project identified '@daylightqc/date-fmt-lite' @ 1.1.1 (npm) as malicious.

It is considered malicious because:

The package executes one or more commands associated with malicious behavior.

Database specific

{
    "malicious-packages-origins": [
        {
            "import_time": "2026-07-24T04:40:02.624975537Z",
            "modified_time": "2026-07-24T03:41:09Z",
            "sha256": "70c4984ac7bf7b1e15e3b449e924fb4178a1e5667b0aee8b282bb796bbe9623c",
            "source": "ossf-package-analysis",
            "versions": [
                "1.1.1"
            ]
        },
        {
            "import_time": "2026-07-24T04:40:02.549746564Z",
            "modified_time": "2026-07-24T03:37:49Z",
            "sha256": "daefee06d39dc86287fd24855b4b3e81363b9f3fbe2fb3c6dfbf3ed7d6e739f2",
            "source": "ossf-package-analysis",
            "versions": [
                "1.0.1"
            ]
        },
        {
            "import_time": "2026-07-24T04:40:02.469558591Z",
            "modified_time": "2026-07-24T02:57:49Z",
            "sha256": "db71d0491101b0206b9559efff4f0ccbe12eb86d703c3e58660d78a6ea07e397",
            "source": "ossf-package-analysis",
            "versions": [
                "1.0.0"
            ]
        },
        {
            "id": "IN-MAL-2026-010866",
            "import_time": "2026-07-28T14:19:56.49503152Z",
            "modified_time": "2026-07-28T13:29:09Z",
            "sha256": "62c563208137dbdd6b4c26764222942e2b81e815349b596518ff4db5a652b2bf",
            "source": "amazon-inspector",
            "versions": [
                "1.1.2"
            ]
        },
        {
            "id": "IN-MAL-2026-011078",
            "import_time": "2026-08-04T21:33:16.110579464Z",
            "modified_time": "2026-08-04T21:29:22Z",
            "sha256": "5ccf2110a8d05c2219f19911ee0cc705ae5b8198940055e34627ddc4cbbbd438",
            "source": "amazon-inspector",
            "versions": [
                "1.0.0"
            ]
        },
        {
            "id": "IN-MAL-2026-011079",
            "import_time": "2026-08-04T21:33:16.137208885Z",
            "modified_time": "2026-08-04T21:29:28Z",
            "sha256": "642c7a51607511cefad6c1ed05e0fb2e48886760402ade6c7477193a805d3002",
            "source": "amazon-inspector",
            "versions": [
                "1.0.1"
            ]
        }
    ]
}

References

Credits

- Amazon Inspector - FINDER
- - inspector-research@amazon.com
- OpenSSF: Package Analysis - FINDER
- - https://github.com/ossf/package-analysis
  - https://openssf.slack.com/channels/package_analysis

Affected packages

npm / @daylightqc/date-fmt-lite

Package

Name: @daylightqc/date-fmt-lite; View open source insights on deps.dev
Purl: pkg:npm/%40daylightqc/date-fmt-lite

Affected ranges

Affected versions

1.*

1.0.0

1.0.1

1.1.1

1.1.2

Database specific

cwes

[
    {
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature.",
        "name": "Embedded Malicious Code"
    },
    {
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature.",
        "name": "Embedded Malicious Code"
    },
    {
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature.",
        "name": "Embedded Malicious Code"
    }
]

indicators

{
    "evidence_files": [
        {
            "path": "postinstall.js",
            "sha256": "ba5bb169f6ade1541beaf9321cf2e922f751ace6ab738fa46c0a29e55e3cbc1d",
            "tlsh": "e9f0a2da539457f0fd914d80b6227206722bf156350079e0edfc01935f0e8090173d56"
        },
        {
            "path": "index.js",
            "sha256": "93ca4315629cb5b4d921c21b2745832196fde5c936f9d2644e941f93820410d9",
            "tlsh": "34810ff2f5f8fa343b3d6cbaa85e411ba8d3ad6f1705bd4cc2990d301d88644425da66"
        }
    ],
    "package_integrity": [
        {
            "filename": "date-fmt-lite-1.1.2.tgz",
            "hashes": {
                "sha1": "3068d4c44820549946c80a5947453eaed3b63e86",
                "sha512_sri": "sha512-V6/aS7ONowRdnezFXL3+5xHROjgnf9p7d3Q7l/yXDVIjAw/mZlQrJz3iYkqbPM+0HHIjXUVtxam1/7vli0dOsA=="
            }
        }
    ]
}

source

"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/@daylightqc/date-fmt-lite/MAL-2026-11041.json"