A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous LDAP client's empty bind DN against an empty stored attribute value, allowing an unauthenticated client to satisfy access control checks intended to require a matching authenticated identity. This can allow an anonymous LDAP client to perform an operation, such as adding or modifying a directory entry, that a SELFDN-based ACI intended to restrict to a specific authenticated user.
https://access.redhat.com/errata/RHSA-2026:64804
https://access.redhat.com/errata/RHSA-2026:64793
https://access.redhat.com/errata/RHSA-2026:64792
https://access.redhat.com/errata/RHSA-2026:64791
https://access.redhat.com/errata/RHSA-2026:64790
https://access.redhat.com/errata/RHSA-2026:64789
https://access.redhat.com/errata/RHSA-2026:64785
https://access.redhat.com/errata/RHSA-2026:64784
https://access.redhat.com/errata/RHSA-2026:64783
https://access.redhat.com/errata/RHSA-2026:64781
https://access.redhat.com/errata/RHSA-2026:64780
https://access.redhat.com/errata/RHSA-2026:64779
https://access.redhat.com/errata/RHSA-2026:64778