MAL-2026-16143

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/chroma-client/MAL-2026-16143.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-16143
Published
2026-09-13T16:12:34Z
Modified
2026-09-13T17:30:03Z
Summary
Malicious code in chroma-client (PyPI)
Details

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

Source: kam193 (f74658ebb12f3a5cbf8577a768965f3ae81fbe8a156acc843ecffe3dfe2e5153)

This package does not carry any malicious payload yet, but uses exactly the same technique as other packages from the campaign aiming to mislead LLM security tools.

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2026-09-openaii

Reasons (based on the campaign):

  • Downloads and executes a remote malicious script.

  • obfuscation

  • abuses-pth

  • cryptominer

  • infostealer

  • exfiltration-credentials

  • files-exfiltration

  • exfiltration-ssh-keys

  • persistence

  • typosquatting

  • covering-tracks

Database specific 
{
    "iocs": {
        "ips": [
            "167.86.108.190"
        ],
        "urls": [
            "http://167.86.108.190:7788/stage1.py",
            "http://167.86.108.190:7788/.lurves-agent.py"
        ]
    },
    "malicious-packages-origins": [
        {
            "id": "pypi/2026-09-openaii/chroma-client",
            "import_time": "2026-09-13T17:14:18.669535886Z",
            "modified_time": "2026-09-13T16:12:34.814684Z",
            "sha256": "f74658ebb12f3a5cbf8577a768965f3ae81fbe8a156acc843ecffe3dfe2e5153",
            "source": "kam193",
            "versions": [
                "0.5.7"
            ]
        }
    ]
}
References
Credits

Affected packages

PyPI / chroma-client

Package

Name
chroma-client
View open source insights on deps.dev
Purl
pkg:pypi/chroma-client

Affected ranges

Affected versions

0.*
0.5.7

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/chroma-client/MAL-2026-16143.json"