CVE-2026-121528

Vendor

Fortinet

Product

FortiOS

CVSS v3.1

8.1 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness

CWE-295

Exposure class

Edge / VPN / firewall

Every item in the archive that references this CVE, highest rank first. Headlines open the publisher.

1. 43
   CVE NVD 2h ago

   A improper certificate validation vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2.0 through 7.2.13…

   A improper certificate validation vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2.0 through 7.2.13 may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle…

   CVSS 8.1 CVE-2026-121528 Fortinet