CVE-2026-50222

Source
https://cve.org/CVERecord?id=CVE-2026-50222
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-50222.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-50222
Published
2026-08-21T08:29:17Z
Modified
2026-08-28T03:46:58Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
Apache CloudStack: Improper access control in Userdata reference APIs
Details

Missing Authorization, Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's Userdata reference APIs.

Several userdata-related APIs in Apache CloudStack, including deleteUserData, linkUserDataToTemplate, resetUserDataForVirtualMachine, deployVirtualMachine, and updateVirtualMachine, exhibit missing or insufficient access control validation, potentially allowing cross-tenant/cross-account access to userdata resources that belong to other tenants.

This issue affects Apache CloudStack: from 4.18.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.

The deleteCniConfiguration API, introduced in 4.21.0.0, also exhibits similar behaviour and lacks access validation.

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

Database specific
{
    "cna_assigner": "apache",
    "cwe_ids": [
        "CWE-200",
        "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50222.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "4.18.0.0"
                },
                {
                    "last_affected": "4.20.3.0"
                },
                {
                    "introduced": "4.21.0.0"
                },
                {
                    "last_affected": "4.22.1.0"
                }
            ],
            "source": "AFFECTED_FIELD"
        },
        {
            "extracted_events": [
                {
                    "introduced": "4.18.0.0"
                },
                {
                    "fixed": "4.20.3.0"
                },
                {
                    "introduced": "4.21.0.0"
                },
                {
                    "fixed": "4.22.1.0"
                }
            ],
            "source": "DESCRIPTION"
        }
    ]
}
References

Affected packages

Git / github.com/apache/cloudstack

Affected ranges

Type
GIT
Repo
https://github.com/apache/cloudstack
Events
Database specific
Show details
{
    "extracted_events": [
        {
            "introduced": "4.18.0.0"
        },
        {
            "fixed": "4.20.3.0"
        },
        {
            "introduced": "4.21.0.0"
        },
        {
            "fixed": "4.22.1.0"
        }
    ],
    "source": "DESCRIPTION"
}

Affected versions

4.*
4.18.0.0
4.20.0.0
4.20.1.0
4.21.0.0
4.22.0.0

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-50222.json"