{"schema_version": "1.6.1", "id": "CVE-2026-59654", "summary": "DoS caused by database connections leak", "details": "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.", "affected": [{"ranges": [{"type": "SEMVER", "events": [{"introduced": "4.7.0"}, {"last_affected": "4.7.0"}]}, {"type": "SEMVER", "events": [{"introduced": "4.21.0.0"}, {"last_affected": "4.21.0.0"}]}]}], "references": [{"type": "WEB", "url": "https://lists.apache.org/thread/7cgf37clcpjj4g2hl7rnyoq1th3ht9r4"}]}