GHSA-4pgc-gfrr-wcmg
Keycloak has Improper Access Control that allows attackers with valid credentials to bypass the allowRemoteResourceManagement=false
At a glance
- Published
- Updated
- CVE
- CVE-2026-4628
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Description
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
| Package | Versions |
|---|---|
| Maven · org.keycloak:keycloak-services | introduced 0, last affected 26.6.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-4628 ADVISORY
- https://access.redhat.com/errata/RHSA-2026:19596 WEB
- https://access.redhat.com/security/cve/CVE-2026-4628 WEB
- https://bugzilla.redhat.com/show_bug.cgi?id=2450240 WEB
- https://github.com/keycloak/keycloak WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |