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CVE-2026-66797: cloudstack from 4.15.0.0 (inclusive), before 4.20.3.1 (exclusive), from 4.21.0.0 (inclusive), before 4.22.1.1…
CVE-2026-66797. CVSS 3.1 base score 5.4 (MEDIUM, Source advisory). EPSS 0.00461 (percentile 0.38451), scored 15-Oct-2026.
Affected technology
cloudstack · from 4.15.0.0 (inclusive), before 4.20.3.1 (exclusive)
apache
cloudstack · from 4.21.0.0 (inclusive), before 4.22.1.1 (exclusive)
apache
Apache CloudStack · 4.16.0.0 through 4.20.3.0, 4.21.0.0 through 4.22.1.0
Apache Software Foundation
Component: Not specified by the source
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 5.4/10) rates confidentiality and integrity impact as low; availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-284
- CCR priority
- 21.7 /100 (P4)
- CVSS 3.1
- 5.4 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N · Source advisory
- EPSS
- 0.00461 · percentile 0.38451 · 2026-10-15
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-16 15:11:14.595545+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-66797.html