The CVE entry CVE-2026-21652 was reserved on January 2, 2026, by Fortinet but subsequently rejected, indicating that the vulnerability claim was either invalid, duplicate, or otherwise not accepted into the CVE list. There are no technical details, affected product versions, or exploit information provided. The lack of a CVSS score and absence of patch or mitigation data further suggest that this is not an active or confirmed vulnerability. The rejection status implies that this CVE should not be treated as a security threat or vulnerability requiring remediation.

Since CVE-2026-21652 is marked as REJECTED and lacks any technical or exploit information, there is no known impact on confidentiality, integrity, or availability. European organizations are not at risk from this entry as it does not correspond to a valid or exploitable vulnerability. No operational or security impact is expected.

No specific mitigation actions are necessary for CVE-2026-21652 due to its rejected status and lack of technical details. Organizations should continue to follow standard security best practices and monitor official advisories for any future validated vulnerabilities related to Fortinet products or other relevant systems.