The CVE identifier CVE-2026-21745 was reserved by Fortinet on January 5, 2026, but the entry has since been marked as REJECTED in the CVE database. This means that after review, the vulnerability was determined not to be valid or was a duplicate or otherwise not qualifying as a CVE. There are no technical details, affected product versions, or exploit information provided. No CVSS score has been assigned, and no patches or mitigations have been published. The lack of any indicators or exploit data suggests that this is not an active or credible threat. The rejection status indicates that organizations do not need to take specific action related to this CVE.

Since CVE-2026-21745 is a rejected entry with no confirmed vulnerability or exploit, there is no direct impact on confidentiality, integrity, or availability. European organizations are not at risk from this non-existent or invalid vulnerability. No disruption or compromise related to this CVE is expected, and no operational impact should be anticipated.

No specific mitigation is required for CVE-2026-21745 due to its rejected status and lack of valid vulnerability information. Organizations should continue to follow standard security best practices and maintain up-to-date patching and monitoring for valid vulnerabilities. It is advisable to monitor official sources for any future updates or new CVE entries related to Fortinet products or other relevant systems.