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    <title>Most recent entries from all</title>
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    <lastBuildDate>Tue, 29 Sep 2026 08:39:25 +0000</lastBuildDate>
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      <title>CVE-2026-9099 — Keycloak: group-admin escalation to realm-admin</title>
      <link>https://db.gcve.eu/vuln/cve-2026-9099</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Red Hat build of Keycloak 26.4, Red Hat build of Keycloak 26.4.13, Red Hat build of Keycloak 26.6, Red Hat build of Keycloak 26.6.4&lt;/p&gt;
&lt;p&gt;A flaw was found in Keycloak. A missing authorization check in the GroupResource.addChild() endpoint within the Admin REST API allows an authenticated user with limited administrative privileges to reparent any existing group. When Fine-Grained Admin Permissions v2 (FGAPv2) is enabled, an attacker with management rights over a single low-privilege group can reparent a highly privileged group (such as one possessing the realm-admin role) under their managed group.&lt;/p&gt;
&lt;p&gt;Because group permissions follow a hierarchical structure, this action unauthorizedly grants the attacker management and password-reset capabilities over the members of the targeted privileged group. An attacker can exploit this to reset an administrator&amp;#39;s password, compromise the account, and achieve a full realm takeover, leading to a complete compromise of confidentiality, integrity, and availability.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Red Hat build of Keycloak 26.4, Red Hat build of Keycloak 26.4.13, Red Hat build of Keycloak 26.6, Red Hat build of Keycloak 26.6.4&lt;/p&gt;
&lt;p&gt;A flaw was found in Keycloak. A missing authorization check in the GroupResource.addChild() endpoint within the Admin REST API allows an authenticated user with limited administrative privileges to reparent any existing group. When Fine-Grained Admin Permissions v2 (FGAPv2) is enabled, an attacker with management rights over a single low-privilege group can reparent a highly privileged group (such as one possessing the realm-admin role) under their managed group.&lt;/p&gt;
&lt;p&gt;Because group permissions follow a hierarchical structure, this action unauthorizedly grants the attacker management and password-reset capabilities over the members of the targeted privileged group. An attacker can exploit this to reset an administrator&amp;#39;s password, compromise the account, and achieve a full realm takeover, leading to a complete compromise of confidentiality, integrity, and availability.&lt;/p&gt;</content:encoded>
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