High severity · published Aug 21, 2026
CVE-2026-59657
Apache CloudStack: Sensitive Information Disclosure via Cleartext Storage in AsyncJob
7.5
CVSS
0.3%
EPSS
No
On KEV
Description
Cleartext Storage of Sensitive Information vulnerability in Apache CloudStack with AsyncJob storage in the database.
This issue affects Apache CloudStack: from 4.0.0 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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 27% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
Apache CloudStack · Apache Software Foundation
4.0.0 through 4.20.3.0; 4.21.0.0 through 4.22.1.0 · source: vendor
CL
Cloudstack · Apache
4.0.0 before 4.20.3.1; 4.21.0.0 before 4.22.1.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-59657
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-59657
Vendor Advisory
https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc
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