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sssd

A vulnerability in SSSD allows a remote authenticated user with an expired password to bypass access control restrictions when password expiration warnings are evaluated before restrictive LDAP access rules. This flaw occurs because the expired-password warning prematurely terminates rule evaluation and treats the access request as successful. The issue affects multiple specific versions of SSSD and has a CVSS score of 6.8, indicating a medium severity risk.

CVE-2026-92821 is a vulnerability in SSSD where, if configured to evaluate password expiration warnings before restrictive access rules in LDAP environments, an expired-password warning causes early termination of rule evaluation and incorrectly grants access. A remote authenticated user with an expired password can exploit this by using an alternative authentication method such as SSH public key authentication to bypass access control restrictions and gain unauthorized access to protected systems. The vulnerability affects numerous specific versions of SSSD as listed, and has a CVSS 3.1 score of 6.8 (AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N).

A vulnerability in SSSD allows a remote authenticated user with an expired password to bypass access control restrictions when password expiration warnings are evaluated before restrictive LDAP access rules. This flaw occurs because the expired-password warning prematurely terminates rule evaluation

A flaw was found in SSSD. When configured to evaluate password expiration warnings before restrictive access rules in LDAP (Lightweight Directory… (CVE-2026-92821)

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