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CVE-2026-104048

Sssd: sssd: authorization bypass via cross-domain username collision in hbac evaluation PUBLISHED

Description (CNA)

A flaw was found in SSSD. In trust-enabled identity management environments, SSSD evaluates Host-Based Access Control (HBAC) rules by stripping domain qualifiers and comparing only short usernames. An authenticated user in a trusted domain who shares the same username as an authorized local account can bypass access policies and gain unauthorized access to protected services or hosts.

Affected (CNA)

Vendor / productVersions
Red Hat / Red Hat Enterprise Linux 10affected
Red Hat / Red Hat Enterprise Linux 6unknown
Red Hat / Red Hat Enterprise Linux 7affected
Red Hat / Red Hat Enterprise Linux 8affected
Red Hat / Red Hat Enterprise Linux 9affected
Red Hat / Red Hat OpenShift Container Platform 4affected
Red Hat / Red Hat OpenShift Container Platform 4affected

CWE

CWE-1025

References

ADP enrichment

CISA-ADP

No English description supplied.