CVE-2026-90462 | BDVDB-2026-377909 Detail

Description#

A flaw was found in SSSD. When configured with the LDAP access provider and `ldap_access_order` including `ppolicy` or `lockout`, a fail-open condition in the LDAP ppolicy access check can occur if a user lookup returns zero results. This can incorrectly return success and cache an allow decision, permitting continued authorization for a deleted or deprovisioned user. A remote attacker with prior valid account context could exploit this to maintain access to information and potentially make limited modifications to resources that should no longer be available.

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Exploit#

History#

1. Version 12026-09-22Record published in the CVE List.
2. Version 22026-11-06Most recent update recorded in the CVE List.