{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "deepHas",
          "vendor": "sharpred",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 1.0.7"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "deepHas provides a test for the existence of a nested object key and optionally returns that key. A prototype pollution vulnerability exists in version 1.0.7 of the deephas npm package that allows an attacker to modify global object behavior. This issue was fixed in version 1.0.8."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 9.4,
            "baseSeverity": "CRITICAL",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1321",
              "description": "CWE-1321: Improperly Controlled Modification of Object Prototype Attributes (\u0027Prototype Pollution\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-29T21:39:48.498Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/sharpred/deepHas/security/advisories/GHSA-2733-6c58-pf27",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/sharpred/deepHas/security/advisories/GHSA-2733-6c58-pf27"
        },
        {
          "name": "https://github.com/sharpred/deepHas/commit/8097fafd3776c613d8066546653e0d2c7b5fc465",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/sharpred/deepHas/commit/8097fafd3776c613d8066546653e0d2c7b5fc465"
        }
      ],
      "source": {
        "advisory": "GHSA-2733-6c58-pf27",
        "discovery": "UNKNOWN"
      },
      "title": "deepHas vulnerable to Prototype Pollution via constructor.prototype"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-25047",
    "datePublished": "2026-01-29T21:39:48.498Z",
    "dateReserved": "2026-01-28T14:50:47.886Z",
    "dateUpdated": "2026-01-29T21:39:48.498Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}