PT-2026-79318 · Apache · Cloudstack

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CVE-2026-59085

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Published

2026-08-21

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Updated

2026-08-27

CVSS v3.1

9.1

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Name of the Vulnerable Software and Affected Versions Apache CloudStack versions 4.20.0.0 through 4.20.3.0 Apache CloudStack versions 4.21.0.0 through 4.22.1.0
Description A Server-Side Request Forgery (SSRF) issue exists in the webhook module, which can be exploited through webhook delivery requests. SSRF is a flaw that allows an attacker to induce the server-side application to make requests to an unintended location.
Recommendations Upgrade Apache CloudStack versions 4.20.0.0 through 4.20.3.0 to version 4.20.3.1 or later. Upgrade Apache CloudStack versions 4.21.0.0 through 4.22.1.0 to version 4.22.1.1 or later.

Exploit

Fix

SSRF

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Weakness Enumeration

Related Identifiers

CVE-2026-59085

Affected Products

Cloudstack