CVE-2026-61422

An authenticated Server-Side Request Forgery (SSRF) vulnerability exists in Apache CloudStack versions 4.20.3.0 and 4.21.0.0 through 4.22.1.0 . The flaw resides in the template and ISO registration functionality , where the system performs a live HTTP HEAD/GET call to determine file size for seco...

CVE-2026-61422 Apache CloudStack: Authenticated pre-validation SSRF in registerTemplate

Authenticated pre-validation SSRF vulnerability in Apache CloudStack's template and ISO registration functionality. When registering a template or ISO, CloudStack makes a live HTTP HEAD/GET call to determine file size for secondary storage usage-limit checks, and this happens before URL validatio...