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{"acknowledgement": "This issue was discovered by Found by AISLE in partnership with Red Hat.", "bugzilla": {"description": "sssd: sssd: Access control bypass via improper LDAP shadow expiration check", "id": "2479271", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2479271"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-193", "details": ["A flaw was found in SSSD. When configured to enforce account expiration using LDAP (Lightweight Directory Access Protocol) shadow attributes, SSSD fails to treat an expiration value of zero as an expired account. A user with valid credentials for an expired account can exploit this flaw to bypass access controls and authenticate to the system. This allows unauthorized access to persist after the account was intended to be deactivated."], "name": "CVE-2026-104033", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "sssd", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "sssd", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "sssd", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "sssd", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "sssd", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-05T23:29:59Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-104033\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-104033"], "statement": "This vulnerability is rated Moderate because it allows an expired LDAP account to authenticate without authorization, but exploitation requires pre-existing valid credentials and cannot lead to remote code execution or privilege escalation beyond the account's existing privileges. The flaw only affects environments explicitly configured to enforce shadow-based expiration through SSSD using LDAP access control policies. Systems utilizing default SSSD configurations, alternative expiration mechanisms, or centralized directory-level account lockouts are not vulnerable to this bypass.", "threat_severity": "Moderate"}

{"created": "2026-10-06T01:30:09.226597+00:00", "updated": "2026-10-06T01:30:09.226604+00:00", "vendors": []}