mal-2026-2891
Vulnerability from ossf_malicious_packages
Published
2026-04-16 20:36
Modified
2026-04-23 20:50
Summary
Malicious code in chai-as-init (npm)
Details
chai-as-init is a malicious npm package that when imported downloads a C2 dropper from https://api.npoint[.]io/c2e881b8bc0fe2121454 and executes it (similar to malware in to chai-await-test).
-= Per source details. Do not edit below this line.=-
Source: amazon-inspector (086ea02015eee2ed739d268574f9f70069e52293a0c16b02b83f76d95c22afae)
The package chai-as-init was found to contain malicious code.
Credits
{
"affected": [
{
"package": {
"ecosystem": "npm",
"name": "chai-as-init"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "SEMVER"
}
]
}
],
"credits": [
{
"contact": [
"actran@amazon.com"
],
"name": "Amazon Inspector",
"type": "FINDER"
},
{
"contact": [
"https://indece.com"
],
"name": "indece",
"type": "FINDER"
}
],
"database_specific": {
"iocs": {
"urls": [
"https://api.npoint.io/c2e881b8bc0fe2121454"
]
},
"malicious-packages-origins": [
{
"import_time": "2026-04-23T20:49:07.94781775Z",
"modified_time": "2026-04-23T20:43:56Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "SEMVER"
}
],
"sha256": "086ea02015eee2ed739d268574f9f70069e52293a0c16b02b83f76d95c22afae",
"source": "amazon-inspector"
}
]
},
"details": "chai-as-init is a malicious npm package that when imported downloads a C2 dropper from https://api.npoint[.]io/c2e881b8bc0fe2121454 and executes it (similar to malware in to chai-await-test).\n\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (086ea02015eee2ed739d268574f9f70069e52293a0c16b02b83f76d95c22afae)\nThe package chai-as-init was found to contain malicious code.\n",
"id": "MAL-2026-2891",
"modified": "2026-04-23T20:50:50Z",
"published": "2026-04-16T20:36:13Z",
"references": [
{
"type": "REPORT",
"url": "https://www.indece.com/en-US/blog/7df041ba-feb1-4d87-918b-7fc2c709d805"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in chai-as-init (npm)"
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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