{"id":"CVE-2026-104048","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-104048","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…","details":"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.","published":"2026-10-06T20:17:14.977","modified":"2026-10-09T12:54:42.760","cvss":{"score":6.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-104048"},{"type":"EXPLOIT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2478613"},{"type":"EXPLOIT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2478613"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-09T12:54:42.760"}}