mal-2026-18686

osv_npm
Description

cs-core-api-phoenix 5.1.0 is a dependency-confusion package: its postinstall script reads the OS user name and hostname and POSTs them to https://nathanaccacio.com/collect on every install. It targets an internal-looking name and collects data from whoever installs it, without consent.

Timeline
Published
unknown
Last Modified
unknown
CVSS Details

CVSS details not available.

Affected Products

No product information available.

Weaknesses (CWE)
References
Linked Vulnerabilities

No linked vulnerabilities found.

{
  "affected": [
    {
      "database_specific": {
        "cwes": [
          {
            "cweId": "CWE-506",
            "description": "The product contains code that appears to be malicious in nature.",
            "name": "Embedded Malicious Code"
          }
        ],
        "source": "https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/cs-core-api-phoenix/MAL-2026-18686.json"
      },
      "package": {
        "ecosystem": "npm",
        "name": "cs-core-api-phoenix",
        "purl": "pkg:npm/cs-core-api-phoenix"
      },
      "versions": [
        "5.1.0"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://cyberxyz.io"
      ],
      "name": "CyberXYZ",
      "type": "FINDER"
    }
  ],
  "database_specific": {
    "iocs": {
      "domains": [
        "nathanaccacio.com"
      ],
      "files": [
        {
          "digests": {
            "sha256": "310147b5035c63078181fa858763852cf40cde75c8a1439428aab8f10510d898"
          },
          "paths": [
            "index.js"
          ]
        },
        {
          "digests": {
            "sha256": "f351b64f04f8cbc6ff1480d76c77b590ee5887b07f5675ec9cca7e1ca856c6ac"
          },
          "paths": [
            "regex-linter-poc/index.js"
          ]
        }
      ],
      "ips": [],
      "urls": [
        "https://nathanaccacio.com/collect"
      ]
    }
  },
  "details": "cs-core-api-phoenix 5.1.0 is a dependency-confusion package: its postinstall script reads the OS user name and hostname and POSTs them to https://nathanaccacio.com/collect on every install. It targets an internal-looking name and collects data from whoever installs it, without consent.",
  "id": "MAL-2026-18686",
  "modified": "2026-11-05T05:15:04.455518094Z",
  "published": "2026-10-26T00:00:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://www.npmjs.com/package/cs-core-api-phoenix"
    }
  ],
  "schema_version": "1.9.2",
  "summary": "Malicious code in cs-core-api-phoenix (npm)"
}
View JSON API Download JSON