CVE-2026-104048

A flaw was found in SSSD. In trust-enabled identity management environ...

CVE-2026-104048 Sssd: sssd: authorization bypass via cross-domain username collision in hbac evaluation

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...

CVE-2026-104048: Comparison Using Wrong Factors

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...