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CVE-2026-50112

🗓️ 21 Aug 2026 08:29:41Reported by apacheType 
cve
 cve
🔗 web.nvd.nist.gov👁 78 Views🌐 WEB

CloudStack 4.14-4.22.1 RCE and SSRF via unvalidated metalink URLs on KVM.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
OR
apachecloudstackRange4.14.0.0–4.20.3.1
apachecloudstackRange4.21.0.0–4.22.1.1
[
  {
    "defaultStatus": "unaffected",
    "product": "Apache CloudStack",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThanOrEqual": "4.20.3.0",
        "status": "affected",
        "version": "4.14.0.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "4.22.1.0",
        "status": "affected",
        "version": "4.21.0.0",
        "versionType": "semver"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
directDownloadrequest body/api/v1/vm/templatesAn authenticated tenant can register a VM template with directDownload=true and a URL pointing to a .metalink file. The management server fetches the metalink XML and dispatches downloads to the KVM agent without re-validating the inner URLs, leading to SSRF and RCE on the KVM hypervisor.CWE-78, CWE-918
urlrequest body/api/v1/vm/templatesAn authenticated tenant can register a VM template with directDownload=true and a URL pointing to a .metalink file. The management server fetches the metalink XML and dispatches downloads to the KVM agent without re-validating the inner URLs, leading to SSRF and RCE on the KVM hypervisor.CWE-78, CWE-918

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16 Oct 2026 15:10Current
6.4Medium risk
Vulners AI Score6.4
CVSS 3.18.8
EPSS0.00723
SSVC
78