CVE-2026-59085CWE-918ssrf

CVE-2026-59085

Critical · published August 21, 2026

CVSS v3.1
9.1
EPSS
1%
Percentile
47.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00586 · 47.3th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-08-21T13:16Z
Affected products (2)
ProductVersionsFixed in
apache/cloudstack≥ 4.20.0.0, < 4.20.3.14.20.3.1
apache/cloudstack≥ 4.21.0.0, < 4.22.1.14.22.1.1
References (1)
https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc · [email protected]
EPSS history
Timeline
  • 21 AUG 08:28Z
    Apache CloudStack: Server-Side Request Forgery (SSRF) vulnerability in webhook module
    cvelistv5