mal-2026-13662
Vulnerability from ossf_malicious_packages
-= Per source details. Do not edit below this line.=-
Source: amazon-inspector (eedf1850bd0f58b8adef8a6b6c3ac13adf7848819306e5a7b9518cbb174911a3)
On require of the package's main module, compat.js unconditionally downloads a platform-specific executable and runs it. Destination hosts are assembled at runtime from split string arrays (e.g. ['oob-','worker.cf99-9b3.wo','rkers.de','v'].join('')) to evade static analysis, resolving to anonymous .workers.dev subdomains that do not match any package publisher. The fetched bytes are written to a temp path under decoy names (dotnet_diag_.exe,.cache), chmodded 0755, and spawned detached via child_process.spawn ('/bin/sh' or 'cmd'), with a platform map covering linux/darwin/win32. When HTTP fetch fails, a fallback channel resolves DNS TXT records at c. under .dl.wel1.ru for a chunk count, reassembles base64-encoded payload chunks from 0., 1.,..., and executes the resulting binary. No hash or signature verification is performed. The package name presents as a benign finance-frontend UI component, which is inconsistent with the download-and-execute behavior.
- 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": "_compat.js",
"sha256": "b9bdf00151502f5e7d07694d8562eb6ad93d23416ca7b4c3d69ca5d561df6873",
"tlsh": "84a1b65a06fa70180792e5d4892f5417719afa5332c4ecc0fb0c66984fda128c3b39fd"
}
],
"package_integrity": [
{
"filename": "sme-rko-finance-front-payments-feed-display-list-35.8.1.tgz",
"hashes": {
"sha1": "608e4bffcdc06956e56f42d834095731df2edc00",
"sha512_sri": "sha512-b3ZdFWXIM/9xSuo9b7wE4iYmVxWhVAs3F1MT0s5dfdqPnEzybIjE/Yz05ApBU68XbY9Hdwx3gbFw5mP+NV/gXA=="
}
}
]
}
},
"package": {
"ecosystem": "npm",
"name": "sme-rko-finance-front-payments-feed-display-list"
},
"versions": [
"35.8.1"
]
}
],
"credits": [
{
"contact": [
"inspector-research@amazon.com"
],
"name": "Amazon Inspector",
"type": "FINDER"
}
],
"database_specific": {
"malicious-packages-origins": [
{
"id": "IN-MAL-2026-017152",
"import_time": "2026-08-08T00:53:07.19014393Z",
"modified_time": "2026-08-08T00:45:22Z",
"sha256": "eedf1850bd0f58b8adef8a6b6c3ac13adf7848819306e5a7b9518cbb174911a3",
"source": "amazon-inspector",
"versions": [
"35.8.1"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (eedf1850bd0f58b8adef8a6b6c3ac13adf7848819306e5a7b9518cbb174911a3)\nOn require of the package\u0027s main module, _compat.js unconditionally downloads a platform-specific executable and runs it. Destination hosts are assembled at runtime from split string arrays (e.g. [\u0027oob-\u0027,\u0027worker.cf99-9b3.wo\u0027,\u0027rkers.de\u0027,\u0027v\u0027].join(\u0027\u0027)) to evade static analysis, resolving to anonymous *.workers.dev subdomains that do not match any package publisher. The fetched bytes are written to a temp path under decoy names (dotnet_diag_*.exe,.cache_*), chmodded 0755, and spawned detached via child_process.spawn (\u0027/bin/sh\u0027 or \u0027cmd\u0027), with a platform map covering linux/darwin/win32. When HTTP fetch fails, a fallback channel resolves DNS TXT records at c.\u003cdomain\u003e under *.dl.wel1.ru for a chunk count, reassembles base64-encoded payload chunks from 0.\u003cdomain\u003e, 1.\u003cdomain\u003e,..., and executes the resulting binary. No hash or signature verification is performed. The package name presents as a benign finance-frontend UI component, which is inconsistent with the download-and-execute behavior.\n",
"id": "MAL-2026-13662",
"modified": "2026-08-08T00:45:22Z",
"published": "2026-08-08T00:45:22Z",
"references": [
{
"type": "PACKAGE",
"url": "https://www.npmjs.com/package/sme-rko-finance-front-payments-feed-display-list/v/35.8.1"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in sme-rko-finance-front-payments-feed-display-list (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.