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Vulnerabilities CVE-2026-59654

CVE-2026-59654

Medium
Open
TLP:CLEAR

Apache CloudStack: DoS caused by database connections leak

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Description

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. 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. Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.

Details

CVSS Score
6.8
CVSS Vector
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
Confidence
90%
Published
Aug 21, 2026
Last Modified
Aug 21, 2026
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