Disclosure summary
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.
Source-reported weakness categories
CWE-1025
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2026-104048
Open original source · Updated Oct 09, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| fedoraproject | sssd | 2.12.0 |
| redhat | openshift_container_platform | 4.0 |
| redhat | enterprise_linux | 7.0 |
| redhat | enterprise_linux | 8.0 |
| redhat | enterprise_linux | 9.0 |
| redhat | enterprise_linux | 10.0 |
Original records & references
- NIST NVD record
- CVE Program record
- access.redhat.com — Vendor Advisory, Issue Tracking
- bugzilla.redhat.com — Exploit, Issue Tracking, Mitigation, Vendor Advisory
- bugzilla.redhat.com — Exploit, Issue Tracking, Mitigation, Vendor Advisory
PUBLISHED 2026-10-06T16:17:14-04:00
MODIFIED 2026-10-09T08:54:42-04:00
INGESTED 2026-10-10T20:50:46-04:00