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CVE-2026-0871

MEDIUM

4.9

Description

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.

Details CVE

Score CVSS v3.14.9

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisHIGH

Interaction utilisateurNONE

Publie2/27/2026

Derniere modification3/5/2026

Sourcenvd

Observations honeypot0

Produits affectes

redhat:build_of_keycloakredhat:keycloak

Faiblesses (CWE)

CWE-266

References

https://access.redhat.com/errata/RHSA-2026:2365(secalert@redhat.com)

https://access.redhat.com/errata/RHSA-2026:2366(secalert@redhat.com)

https://access.redhat.com/security/cve/CVE-2026-0871(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=2428881(secalert@redhat.com)

Correlations IOC

Aucune correlation enregistree

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