CVE search · CVE-2026-104048
CVE-2026-104048
high 8.1
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.
Details
- Status
- Analyzed
- Published
- Last changed
- Source
- secalert@redhat.com
- Weakness
- CWE-1025
Severity
| Version | Score | Vector | Source |
|---|---|---|---|
| CVSS 3.1 | medium 6.8 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N |
secalert@redhat.comSecondary |
| CVSS 3.1 | high 8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
nvd@nist.govPrimary |
Affected products
Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.
- fedoraproject · sssd
- redhat · openshift_container_platform
- redhat · enterprise_linux
References
- https://access.redhat.com/security/cve/CVE-2026-104048Issue TrackingVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2478613ExploitIssue TrackingMitigationVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2478613ExploitIssue TrackingMitigationVendor Advisory