Vulnerability Details CVE-2026-3911
A flaw was found in Keycloak. An authenticated user with the view-users role could exploit a vulnerability in the UserResource component. By accessing a specific administrative endpoint, this user could improperly retrieve user attributes that were configured to be hidden. This unauthorized information disclosure could expose sensitive user data.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 2.0%
CVSS Severity
CVSS v3 Score 2.7
References
Products affected by CVE-2026-3911
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cpe:2.3:a:redhat:build_of_keycloak:-
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cpe:2.3:a:redhat:build_of_keycloak:26.4
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cpe:2.3:a:redhat:build_of_keycloak:26.4.11