7.5

CVE-2026-59654: apache software foundation apache cloudstack

CVSS: 7.5v3.1HighAnalyzed
Published 21-08-2026Last modified 24-08-2026
Open JSON

Vulnerability summary

CVE-2026-59654 is a high (CVSS 7.5) vulnerability in apache software foundation apache cloudstack. EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 47.1% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.59%
0%100%
Low · +0.26 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-08-2026
    PublishedVulnerability first disclosed.
  2. 24-08-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.59%

Chance of exploitation in the next 30 days

Percentile

47%

Versus all other CVEs

30-day change

+0.26 pp

From 0.33% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.59%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Apache1 product
  • cloudstack≥ 4.7.0, < 4.20.3.1 | ≥ 4.21.0.0, < 4.22.1.1
Apache software foundation1 product

2 vendors · 2 products

References

1 links