MAL-2026-14086

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/kit-hydration-vim/MAL-2026-14086.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-14086
Aliases
  • GHSA-g9cm-v642-m5rj
Published
2026-08-15T05:41:58Z
Modified
2026-08-18T05:02:40.673632664Z
Summary
Malicious code in kit-hydration-vim (npm)
Details

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

Source: amazon-inspector (a567c1c96e08fd606b2ca35ed717ce91df9d0955d4f4c8e0bc747603b2c538e9)

On require/import, dist/index.mjs chmods 0755 and spawns the bundled ELF dist/internal/calc.dat as a detached child process. The binary is a full command-and-control implant that beacons to hardcoded C2 host 217.60.77.63 and accepts operator commands including /spawn (arbitrary process execution), /sshkeys and /creds (harvest of the installer's SSH keys and credential files), /dbfind, /download, /dataextract (chunked file exfiltration via POST /api/extract-receive with BIGEXTRACTSTART framing), SOCKS5 proxy, TCP port-forwarding, and remote ELF/shellcode fetch-and-exec. A /persist verb writes ~/.config/systemd/user/svc-update.service (Description 'System Update Service', ExecStart pointing at the implant, Restart=always) and enables it via systemctl --user for reboot persistence. The package advertises itself as a calendar/streak math library and frames the ELF as a 'native math accelerator' with an 'integrity verification' gate; none of the exported day-math functions actually invoke the binary, and daymath.mjs contains a comment stating the placeholder exists to make the math functions look dependent on the binary. The advertised purpose is a cover story for the dropper.

Source: ghsa-malware (9020e6172fe498726bba3d29665f9a0b3f8f6afabf170d7a6dfe44929c506371)

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": [
        {
            "import_time": "2026-08-17T04:43:14.130027Z",
            "source": "ghsa-malware",
            "modified_time": "2026-08-15T05:41:59Z",
            "sha256": "9020e6172fe498726bba3d29665f9a0b3f8f6afabf170d7a6dfe44929c506371",
            "id": "GHSA-g9cm-v642-m5rj",
            "ranges": [
                {
                    "type": "SEMVER",
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ]
                }
            ]
        },
        {
            "import_time": "2026-08-18T04:47:04.919264998Z",
            "sha256": "a567c1c96e08fd606b2ca35ed717ce91df9d0955d4f4c8e0bc747603b2c538e9",
            "modified_time": "2026-08-18T04:41:27Z",
            "source": "amazon-inspector",
            "id": "IN-MAL-2026-017981",
            "versions": [
                "1.0.0"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / kit-hydration-vim

Package

Name
kit-hydration-vim
View open source insights on deps.dev
Purl
pkg:npm/kit-hydration-vim

Affected ranges

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

Affected versions

1.*
1.0.0

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/kit-hydration-vim/MAL-2026-14086.json"
indicators 
{
    "evidence_files": [
        {
            "sha256": "5530d82477976f36104410a372cfd28864f3681fdd88f0a0dac2a56ba7a5d12f",
            "path": "dist/index.mjs",
            "tlsh": "81413466affd633997fc07828e38b193292d84430f92dd95d94d473861c0b58e3c497a"
        },
        {
            "sha256": "4537b1189ce419f1a595cf47216c03f80e9170ce80dad8d9227a1e52f9cb3466",
            "tlsh": "83531a2bbdc28e3fc084d53087dfd42269b5705aaa33712f26111f293d59a69473f72a",
            "path": "dist/internal/calc.dat"
        },
        {
            "sha256": "9cb53b45e612cdbac0f932dce84f49f07d6f50bce653cbf65356a9e733b0c40f",
            "tlsh": "8d3122f9e2d45374d7b9a2508e0ad54aa32cf6263f66c551504c25a02483811e37ded9",
            "path": "dist/internal/daymath.mjs"
        }
    ]
}
cwes 
[
    {
        "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."
    }
]