mal-2026-2742
Vulnerability from ossf_malicious_packages
Published
2026-04-16 09:49
Modified
2026-04-23 20:50
Summary
Malicious code in chai-extensions-extra (npm)
Details

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

Source: amazon-inspector (08c4557ac7891cf67170afbc45eeafdc6e59cede3471c194636ecd8d80e570d3)

The package chai-extensions-extra was found to contain malicious code.

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

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "chai-extensions-extra",
        "purl": "pkg:npm/chai-extensions-extra"
      },
      "versions": [
        "1.2.2"
      ]
    }
  ],
  "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-2026-01918",
        "import_time": "2026-04-16T15:38:56.977037041Z",
        "modified_time": "2026-04-16T09:49:01Z",
        "sha256": "afe66990cf87edc0d65c41c79b53f89a24de2cd5f14306ecb522b4b701b43cbc",
        "source": "reversing-labs",
        "versions": [
          "1.2.2"
        ]
      },
      {
        "import_time": "2026-04-23T20:49:09.345156006Z",
        "modified_time": "2026-04-23T20:43:56Z",
        "sha256": "08c4557ac7891cf67170afbc45eeafdc6e59cede3471c194636ecd8d80e570d3",
        "source": "amazon-inspector",
        "versions": [
          "1.2.2"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (08c4557ac7891cf67170afbc45eeafdc6e59cede3471c194636ecd8d80e570d3)\nThe package chai-extensions-extra was found to contain malicious code.\n",
  "id": "MAL-2026-2742",
  "modified": "2026-04-23T20:50:50Z",
  "published": "2026-04-16T09:49:01Z",
  "schema_version": "1.7.4",
  "summary": "Malicious code in chai-extensions-extra (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.



Detection rules are retrieved from Rulezet.