MEDIUMCVSS 4.3EPSS 0.3%

CVE-2026-4628

CVE-2026-4628 updated by NVD

Published: 2026-03-23
Modified: 2026-10-24
EPSS percentile: 26%
Sources: github-advisory, nvd

Summary

A flaw was found in Keycloak. An improper Access Control vulnerability in Keycloak’s User-Managed Access (UMA) resource_set endpoint allows attackers with valid credentials to bypass the allowRemoteResourceManagement=false restriction. This occurs due to incomplete enforcement of access control checks on PUT operations to the resource_set endpoint. This issue enables unauthorized modification of protected resources, impacting data integrity.

Affected packages

Ecosystem	Package	Affected versions	Fixed versions
Maven	org.keycloak:keycloak-services	—	—

Remediation: No patched version is listed by GitHub.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-4628

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.