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TI-2026-42548 Aliases CVE-2026-59654GHSA-9j4g-grw7-5966

Apache CloudStack: DoS caused by database connections leak

Priority LOW 31CWE-772Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Active
Attack complexity
Low
Attack requirements
Present
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-772.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00591 48th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache CloudStack4.7.0 – 4.20.3.0; 4.21.0.0 – 4.22.1.0—No fix listedCNA
  • Apache CloudStack VendorApache Affected 4.7.0 – 4.20.3.0; 4.21.0.0 – 4.22.1.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:cloudstack:*:*:*:*:*:*:*:*4.7.0 to before 4.20.3.1; 4.21.0.0 to before 4.22.1.1VulnerableApache
  • cpe:2.3:a:apache:cloudstack:*:*:*:*:*:*:*:* Versions 4.7.0 to before 4.20.3.1; 4.21.0.0 to before 4.22.1.1 Vulnerable ·Apache

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-59654
  2. 2026-10-03 Alias added: GHSA-9j4g-grw7-5966

References

Advisory 1

  • TI-2024-27459 Apache CloudStack: SAML Signature Exclusion CVSS 3.1HIGH 8.1
  • TI-2024-25607 Apache CloudStack: Unauthenticated cluster service port leads to remote execution CVSS 3.1CRITICAL 9.8
  • TI-2022-16183 Apache CloudStack SAML Single Sign-On XXE CVSS 3.1CRITICAL 9.8
  • TI-2012-03843 Citrix Cloud.com CloudStack, and Apache CloudStack pre-release, allows remote attackers… CVSS 2.0HIGH 10.0
  • TI-2024-26763 Apache CloudStack: Integration API service uses dynamic port when disabled CVSS 3.1CRITICAL 9.8
  • TI-2016-05854 Apache CloudStack 4.1 to 4.8.1.0 and 4.9.0.0 contain an API call designed to allow a user… CVSS 3.1CRITICAL 9.8
See all 64 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences