CVE-2026-18571Medium· 6.6▾ SunlitA flaw was found in the user creation component of Keycloak when Fine-Grained Admin Permissions V2 (FGAP V2) is enabled. This issue allows a sub-administrator with permission to create users to add those users to any group, even groups t…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 36.3 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Aug 2.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.2%
Last analysed / modified upstream
0.2% → 0.3%
A flaw was found in the user creation component of Keycloak when Fine-Grained Admin Permissions V2 (FGAP V2) is enabled. This issue allows a sub-administrator with permission to create users to add those users to any group, even groups the sub-administrator is not authorized to manage. This could lead to unauthorized access to sensitive information or elevated privileges for the newly created users.
build_of_keycloakRefer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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CVE-2026-18218Medium· 4.2A flaw was found in the TokenManager component of the Keycloak identity management service
CVE-2026-16105Medium· 4.9A flaw was found in the RoleContainerResource component of Keycloak
CVE-2026-18201Medium· 5.5Keycloak provides a way to manage identity providers and organizations through its administrative API
CVE-2026-18573Medium· 6.5A flaw was found in the keycloak-services component of Keycloak, which is used for managing authentication and authorization flows
CVE-2026-18570Medium· 5.4A flaw was found in the full-scope-disabled client-policy executor within the keycloak-services component