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Vulnerability DatabaseCVE-2026-0871

CVE-2026-0871: 
Java vulnerability analysis and mitigation

A flaw was found in Keycloak. An administrator with manage-users permission can bypass the "Only administrators can view" setting for unmanaged attributes, allowing them to modify these attributes. This improper access control can lead to unauthorized changes to user profiles, even when the system is configured to restrict such modifications.

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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