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)
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)"
}