The CVE-2026-23578 entry is a vulnerability record reserved under Fortinet's assignment but subsequently marked as REJECTED, indicating that the reported issue was either invalid, duplicate, or otherwise not accepted as a valid security vulnerability. The record contains no description, affected product versions, or technical details that would allow for an assessment of the vulnerability's nature or exploitability. There are no known exploits in the wild, no patches, and no indicators of compromise. The absence of a CVSS score further reflects the lack of sufficient information to evaluate severity or impact. This status typically means that the vulnerability report was withdrawn or found to be non-actionable. Consequently, there is no evidence that this represents a real or exploitable threat to Fortinet products or their users.

Since CVE-2026-23578 is rejected and lacks any technical or exploit information, there is no demonstrated impact on confidentiality, integrity, or availability. European organizations using Fortinet products are not at risk from this entry as no vulnerabilities have been confirmed or exploited. There is no indication of affected systems or attack vectors, so no direct or indirect impacts can be reasonably inferred. The lack of actionable information means no operational or strategic impact is expected at this time.

No specific mitigation actions are required for CVE-2026-23578 due to its rejected status and absence of technical details. Organizations should continue to follow standard security best practices for Fortinet products, including applying all vendor-released patches and updates. Monitoring official Fortinet advisories and trusted vulnerability databases for any future valid vulnerabilities is recommended. If any new information emerges, it should be promptly evaluated and addressed according to established incident response procedures.