CVSS 9.1 (critical) · published 2026-08-21
Server-Side Request Forgery (SSRF) vulnerability in Apache CloudStack's webhook module, exploitable via webhook delivery requests. This issue affects Apache CloudStack: from 4.20.0.0 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.
Affected products (NVD): apache cloudstack
Fixed in (NVD): 4.20.3.1, 4.22.1.1
Weakness: CWE-918
Source: NVD CVE-2026-59085
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