{"id":"CVE-2026-59654","summary":"Apache CloudStack: 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.","modified":"2026-11-08T02:47:38.779364981Z","published":"2026-08-21T12:33:00.577Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59654.json","unresolved_ranges":[{"extracted_events":[{"strategy":"StandardRange","range":[{"introduced":"4.7.0"},{"last_affected":"4.20.3.0"},{"introduced":"4.21.0.0"},{"last_affected":"4.22.1.0"}],"source":"AFFECTED_FIELD"}]}],"cna_assigner":"apache","cwe_ids":["CWE-772"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59654.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/7cgf37clcpjj4g2hl7rnyoq1th3ht9r4"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59654"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/cloudstack","events":[{"introduced":"2f26a859a971a9852ed9f6f34fe35e52fe6028a9"},{"fixed":"7ceb87690096a06ac855e7d56c21ba3d7129639c"},{"introduced":"f9513b47bf8cda46c2cee7e31d4d662346bc7399"},{"fixed":"71af23d73741cfeae854d2f1a6d36324307c32c4"}],"database_specific":{"extracted_events":[{"source":"CPE_RANGE","cpe":"cpe:2.3:a:apache:cloudstack:*:*:*:*:*:*:*:*","range":[{"introduced":"4.7.0"},{"fixed":"4.20.3.1"}]},{"source":"CPE_RANGE","cpe":"cpe:2.3:a:apache:cloudstack:*:*:*:*:*:*:*:*","range":[{"introduced":"4.21.0.0"},{"fixed":"4.22.1.1"}]}]}}],"versions":["4.22.1.0","4.22.0.0","4.21.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59654.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"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"}]}