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Vulnerability DatabaseCVE-2026-3911

CVE-2026-3911: 
Java vulnerability analysis and mitigation

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.

Source: NVD

Related Java vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-34361CRITICAL9.3
  • JavaJava
  • ca.uhn.hapi.fhir:org.hl7.fhir.validation
NoYesMar 31, 2026
CVE-2026-34214HIGH7.7
  • JavaJava
  • io.trino:trino-iceberg
NoYesMar 31, 2026
CVE-2026-34359HIGH7.4
  • JavaJava
  • ca.uhn.hapi.fhir:org.hl7.fhir.core
NoYesMar 31, 2026
CVE-2026-34237MEDIUM6.1
  • JavaJava
  • io.modelcontextprotocol.sdk:mcp-core
NoYesMar 31, 2026
CVE-2026-34360MEDIUM5.8
  • JavaJava
  • ca.uhn.hapi.fhir:org.hl7.fhir.core
NoYesMar 31, 2026

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