CVE Watch21 ago 2026

CVE-2026-66797

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

CVSS

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Sin CVSS

EPSS

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KEV

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Exploit Today

0-100

Publicado: 21 ago 2026 · Última mod.: 21 ago 2026 · CWE-284

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

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.

Referencias oficiales

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

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