{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageName": "WHM and cPanel PlugIn",
          "platforms": [
            "Linux"
          ],
          "product": "cPanel Plugin",
          "vendor": "LiteSpeed Technologies",
          "versions": [
            {
              "lessThan": "2.4.8",
              "status": "affected",
              "version": "2.3",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "LiteSpeed cPanel plugin before 2.4.8 (as distributed in LiteSpeed WHM PlugIn before 5.3.2.0) mishandles symlinks provided by a user with FTP or web shell access on a shared hosting server running CloudLinux/CageFS, as exploited in the wild in May 2026."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-61",
              "description": "CWE-61 UNIX Symbolic Link (Symlink) Following",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-14T03:23:12.863Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://www.litespeedtech.com/products/litespeed-web-server/control-panel-support/cpanel"
        },
        {
          "url": "https://blog.litespeedtech.com/2026/06/01/security-update-for-litespeed-cpanel-plugin-2/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Upgrade to the LiteSpeed WHM PlugIn v5.3.2.0 or higher (which includes the cPanel PlugIn v2.4.8)."
            }
          ],
          "value": "Upgrade to the LiteSpeed WHM PlugIn v5.3.2.0 or higher (which includes the cPanel PlugIn v2.4.8)."
        }
      ],
      "tags": [
        "x_known-exploited-vulnerability"
      ],
      "workarounds": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Disable the cPanel PlugIn for LiteSpeed"
            }
          ],
          "value": "Disable the cPanel PlugIn for LiteSpeed"
        }
      ],
      "x_generator": {
        "engine": "CVE-Request-form 0.0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-54420",
    "datePublished": "2026-06-14T03:23:12.863Z",
    "dateReserved": "2026-06-14T03:23:12.439Z",
    "dateUpdated": "2026-06-14T03:23:12.863Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-54420",
      "date": "2026-06-14",
      "epss": "0.00063",
      "percentile": "0.19948"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-54420\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2026-06-14T04:16:28.630\",\"lastModified\":\"2026-06-14T04:16:28.630\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"LiteSpeed cPanel plugin before 2.4.8 (as distributed in LiteSpeed WHM PlugIn before 5.3.2.0) mishandles symlinks provided by a user with FTP or web shell access on a shared hosting server running CloudLinux/CageFS, as exploited in the wild in May 2026.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve@mitre.org\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":8.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":6.0}]},\"weaknesses\":[{\"source\":\"cve@mitre.org\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-61\"}]}],\"references\":[{\"url\":\"https://blog.litespeedtech.com/2026/06/01/security-update-for-litespeed-cpanel-plugin-2/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://www.litespeedtech.com/products/litespeed-web-server/control-panel-support/cpanel\",\"source\":\"cve@mitre.org\"}]}}"
  }
}