{
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    "cna": {
      "providerMetadata": {
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09"
      },
      "title": "DoS caused by database connections leak",
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-772 Missing Release of Resource after Effective Lifetime",
              "lang": "en",
              "cweId": "CWE-772",
              "type": "CWE"
            }
          ]
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "affected": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache CloudStack",
          "versions": [
            {
              "status": "affected",
              "version": "4.7.0",
              "lessThanOrEqual": "4.20.3.0",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "4.21.0.0",
              "lessThanOrEqual": "4.22.1.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
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      "descriptions": [
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          "value": "Missing Release of Resource after Effective Lifetime vulnerability in Apache CloudStack's scoped global configuration functionality. It affects different modules and plugins of the CloudStack management server, including Quota, Host-HA, etc., and may lead to eventual denial of service (DoS) scenario for the management server.\n\nThis issue affects Apache CloudStack: from 4.7.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.\n\nUsers are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.",
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              "value": "<p>Missing Release of Resource after Effective Lifetime vulnerability in Apache CloudStack's scoped global configuration functionality. It affects different modules and plugins of the CloudStack management server, including Quota, Host-HA, etc., and may lead to eventual denial of service (DoS) scenario for the management server.</p><p>This issue affects Apache CloudStack: from 4.7.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.</p><p>Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.</p>"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://lists.apache.org/thread/7cgf37clcpjj4g2hl7rnyoq1th3ht9r4",
          "tags": [
            "vendor-advisory"
          ]
        }
      ],
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          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
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          "cvssV4_0": {
            "version": "4.0",
            "attackVector": "NETWORK",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "privilegesRequired": "LOW",
            "userInteraction": "ACTIVE",
            "vulnConfidentialityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "vulnAvailabilityImpact": "HIGH",
            "subAvailabilityImpact": "HIGH",
            "Safety": "NOT_DEFINED",
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "valueDensity": "NOT_DEFINED",
            "vulnerabilityResponseEffort": "NOT_DEFINED",
            "providerUrgency": "NOT_DEFINED",
            "baseSeverity": "MEDIUM",
            "baseScore": 6.8,
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H"
          }
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Henrique Sato <henriquesato2003@gmail.com>",
          "type": "reporter"
        }
      ],
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  "cveMetadata": {
    "cveId": "CVE-2026-59654",
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "serial": 1,
    "state": "PUBLISHED"
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