mal-2026-13651
Vulnerability from ossf_malicious_packages
-= Per source details. Do not edit below this line.=-
Source: amazon-inspector (f1cadf7bdbe8322e1878572d42f769a267d9a2af7a61c0da00f02c1436799824)
index.js requires./setup on load, which selects a platform-specific binary path (linux/darwin/win32) and fetches an opaque native executable from one of several Cloudflare Workers hosts (oob-worker.cf100-*.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf102-baf.workers.dev) with a DNS-TXT base64 fallback via sdk.dl.wel1.ru / ext.dl.wel1.ru / pkg.dl.wel1.ru / net.dl.wel1.ru. Destination hostnames are reconstructed at runtime from split-string arrays joined together, evading static string matching. The fetched binary is written to /tmp/.cache_ on Unix or %TEMP%\dotnet_diag_.exe on Windows (names disguised to resemble system caches or.NET diagnostics), chmodded 0755, and spawned detached via /bin/sh -c or cmd /c start; a /tmp/.analytics_state marker suppresses re-execution. lib/telemetry.js carries a second copy of the same spawn/chmod/base64-buffer pattern. The dropper is framed as 'analytics' telemetry with a DISABLE_TELEMETRY-style opt-out as cover. No pinning, no hash verification, and the delivery hosts do not match the declared publisher of a 'Build and deployment tools' widget package.
- CWE-506 - The product contains code that appears to be malicious in nature.
{
"affected": [
{
"database_specific": {
"cwes": [
{
"cweId": "CWE-506",
"description": "The product contains code that appears to be malicious in nature.",
"name": "Embedded Malicious Code"
}
],
"indicators": {
"evidence_files": [
{
"path": "setup.js",
"sha256": "d8a1f176a0a41dd4a8f0addb01cbd7d0455e6f61dc14cd78f33ff55153157748",
"tlsh": "87a1c7151afa30184792e1d8852b981671def69333c4d998fb8c66984f9627483f39fc"
}
],
"package_integrity": [
{
"filename": "sme-rko-finance-front-operations-widget-impl-35.8.1.tgz",
"hashes": {
"sha1": "2f505df543a108788b1a3ee902a76b0b9f4f58b4",
"sha512_sri": "sha512-etH38F4LMiBHhhfWzlf4ttTkA1Vs7bfJABmQmLaA7cPPKWaQOpVxUe3h4pDqNlZ4Hl5b8L7hnlFhHQvsHGMhWA=="
}
}
]
}
},
"package": {
"ecosystem": "npm",
"name": "sme-rko-finance-front-operations-widget-impl"
},
"versions": [
"35.8.1"
]
}
],
"credits": [
{
"contact": [
"inspector-research@amazon.com"
],
"name": "Amazon Inspector",
"type": "FINDER"
}
],
"database_specific": {
"malicious-packages-origins": [
{
"id": "IN-MAL-2026-017155",
"import_time": "2026-08-08T00:53:07.41294289Z",
"modified_time": "2026-08-08T00:45:49Z",
"sha256": "f1cadf7bdbe8322e1878572d42f769a267d9a2af7a61c0da00f02c1436799824",
"source": "amazon-inspector",
"versions": [
"35.8.1"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (f1cadf7bdbe8322e1878572d42f769a267d9a2af7a61c0da00f02c1436799824)\nindex.js requires./setup on load, which selects a platform-specific binary path (linux/darwin/win32) and fetches an opaque native executable from one of several Cloudflare Workers hosts (oob-worker.cf100-*.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf102-baf.workers.dev) with a DNS-TXT base64 fallback via sdk.dl.wel1.ru / ext.dl.wel1.ru / pkg.dl.wel1.ru / net.dl.wel1.ru. Destination hostnames are reconstructed at runtime from split-string arrays joined together, evading static string matching. The fetched binary is written to /tmp/.cache_\u003chex\u003e on Unix or %TEMP%\\dotnet_diag_\u003chex\u003e.exe on Windows (names disguised to resemble system caches or.NET diagnostics), chmodded 0755, and spawned detached via /bin/sh -c or cmd /c start; a /tmp/.analytics_state marker suppresses re-execution. lib/telemetry.js carries a second copy of the same spawn/chmod/base64-buffer pattern. The dropper is framed as \u0027analytics\u0027 telemetry with a DISABLE_TELEMETRY-style opt-out as cover. No pinning, no hash verification, and the delivery hosts do not match the declared publisher of a \u0027Build and deployment tools\u0027 widget package.\n",
"id": "MAL-2026-13651",
"modified": "2026-08-08T00:45:49Z",
"published": "2026-08-08T00:45:49Z",
"references": [
{
"type": "PACKAGE",
"url": "https://www.npmjs.com/package/sme-rko-finance-front-operations-widget-impl/v/35.8.1"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in sme-rko-finance-front-operations-widget-impl (npm)"
}
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.