mal-2026-2339
Vulnerability from ossf_malicious_packages
Published
2026-03-24 15:39
Modified
2026-04-07 14:41
Summary
Malicious code in chai-as-chains (npm)
Details

-= Per source details. Do not edit below this line.=-

Source: amazon-inspector (abf6eaadbaedff56f824c4c68f8af9138c01d40189e0225051d35c52dee1adc9)

The package chai-as-chains was found to contain malicious code.

Credits
Amazon Inspector actran@amazon.com
ReversingLabs www.reversinglabs.com
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "chai-as-chains",
        "purl": "pkg:npm/chai-as-chains"
      },
      "versions": [
        "1.2.4"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "actran@amazon.com"
      ],
      "name": "Amazon Inspector",
      "type": "FINDER"
    },
    {
      "contact": [
        "https://www.reversinglabs.com"
      ],
      "name": "ReversingLabs",
      "type": "FINDER"
    }
  ],
  "database_specific": {
    "malicious-packages-origins": [
      {
        "id": "RLMA-2026-01717",
        "import_time": "2026-04-01T12:26:06.917549351Z",
        "modified_time": "2026-03-24T15:39:59Z",
        "sha256": "7f8ba179a67a575e55b370c591be26055c8f2528382e11880ef147cec6a01cb1",
        "source": "reversing-labs",
        "versions": [
          "1.2.4"
        ]
      },
      {
        "import_time": "2026-04-07T14:39:21.979737237Z",
        "modified_time": "2026-04-07T14:24:50Z",
        "sha256": "abf6eaadbaedff56f824c4c68f8af9138c01d40189e0225051d35c52dee1adc9",
        "source": "amazon-inspector",
        "versions": [
          "1.2.4"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (abf6eaadbaedff56f824c4c68f8af9138c01d40189e0225051d35c52dee1adc9)\nThe package chai-as-chains was found to contain malicious code.\n",
  "id": "MAL-2026-2339",
  "modified": "2026-04-07T14:41:20Z",
  "published": "2026-03-24T15:39:59Z",
  "schema_version": "1.7.4",
  "summary": "Malicious code in chai-as-chains (npm)"
}


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Sightings

Author Source Type Date

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.



Detection rules are retrieved from Rulezet.