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CVE-2026-66797

Apache CloudStack: Unauthorised comment creation and disclosure

Improper access control in CloudStack's annotation functionality allows unauthorized comment creation and disclosure.




The addAnnotation and listAnnotation APIs perform an ownership check when an entity's UUID is specified, but fail to honor its result correctly. This lets any authenticated user write annotations to, and disclose existing annotations/comments on, an entity they don't own by simply supplying its UUID.




This issue affects Apache CloudStack: from 4.15.0.0 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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerApache Software Foundation
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Produkt Apache CloudStack
Default Statusunaffected
Version <= 4.20.3.0
Version 4.16.0.0
Status affected
Version <= 4.22.1.0
Version 4.21.0.0
Status affected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
Es wurden noch keine Metriken (CVSS, EPSS) zu dieser CVE veröffentlicht.
CWE-284 Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc