CVEvulnerability
CVE-2026-104048
8.1 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-10-06
- Last modified
- 2026-10-09
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.8 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-1025
Description
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 configurations
• 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
Related
Weakness · CWE (1)
- CWE-1025 Comparison Using Wrong Factors weakness
References
- https://access.redhat.com/security/cve/CVE-2026-104048 Vendor Advisory, Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=2478613 Exploit, Issue Tracking, Mitigation, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2478613 Exploit, Issue Tracking, Mitigation, Vendor Advisory