CVE-2026-65642 (GCVE-0-2026-65642)

Vulnerability from cvelistv5 – Published: 2026-08-26 21:21 – Updated: 2026-08-26 21:21
VLAI
Summary
Insecure direct object reference in Plesk 18.0.79.7 and earlier or 18.0.80 through 18.0.80.3, allows remote authenticated users to read and modify other customers' databases.
Severity
8.6 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-639 - Insecure Direct Object Reference (IDOR)
Assigner
References
Impacted products
Vendor Product Version CPE status
WebPros Plesk Affected: 0 , ≤ 18.0.79.7 (semver)
Affected: 18.0.80 , < 18.0.80.4 (semver)
guessed Create a notification for this product.
Credits
Aziz Knani
Show details on NVD website
To clipboard 

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          "vendor": "WebPros",
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            {
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThan": "18.0.80.4",
              "status": "affected",
              "version": "18.0.80",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Aziz Knani"
        }
      ],
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        {
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          "value": "Insecure direct object reference in Plesk 18.0.79.7 and earlier or 18.0.80 through 18.0.80.3, allows remote authenticated users to read and modify other customers\u0027 databases."
        }
      ],
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-639",
              "description": "CWE-639 Insecure Direct Object Reference (IDOR)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-26T21:21:41.122Z",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
      },
      "references": [
        {
          "url": "https://support.plesk.com/hc/en-us/articles/42844242102679-Vulnerability-CVE-2026-65642-in-Plesk-s-database-management-interface"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
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    "cveId": "CVE-2026-65642",
    "datePublished": "2026-08-26T21:21:41.122Z",
    "dateReserved": "2026-07-22T15:00:06.103Z",
    "dateUpdated": "2026-08-26T21:21:41.122Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
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      "date": "2026-08-27",
      "epss": "0.00427",
      "percentile": "0.35504"
    },
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  }
}



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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.

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  • 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.
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  • 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.