CVE-2026-59085

EUVD-2026-63845
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.
SSRF
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 46.11%
Affected Products (NVD)
VendorProductVersion
apachecloudstack
4.20.0.0 ≤
𝑥
< 4.20.3.1
apachecloudstack
4.21.0.0 ≤
𝑥
< 4.22.1.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc