CVE-2026-21886 | OpenCTI up to 6.9.0 API IndividualDeletionDeleteMutation improper authorization

A vulnerability, which was classified as critical, has been found in OpenCTI up to 6.9.0. Affected by this vulnerability is the function IndividualDeletionDeleteMutation of the component API. This manipulation causes improper authorization.

This vulnerability appears as CVE-2026-21886. The attack may be initiated remotely. There is no available exploit.

It is advisable to upgrade the affected component.