{"id":"CVE-2026-104048","title":"A flaw was found in SSSD","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 doma…","severity":"medium","cvss":6.8,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","cwe":["CWE-1025"],"vendor":"Red Hat","product":"sssd","affected":["sssd (all versions)","sssd","sssd (all versions)","sssd (all versions)","sssd (all versions)","openshift/ose-rhel-coreos-8 (all versions)","openshift/ose-rhel-coreos-9 (all versions)"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T20:17:14.977","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-104048","references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-104048","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2478613","label":"secalert@redhat.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-06T20:16:42.489Z","slug":"CVE-2026-104048","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":37,"depthScoreParts":{"impact":37.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}