CVE-2026-33923 | Nozomi Guardian/CMC up to 26.3.x Update Installation signature verification

October 29, 2026 Yanac

A vulnerability identified as very critical has been detected in Nozomi Guardian and CMC up to 26.3.x. This affects an unknown part of the component Update Installation. This manipulation causes improper verification of cryptographic signature.

This vulnerability appears as CVE-2026-33923. The attack may be initiated remotely. There is no available exploit.

You should upgrade the affected component.VulDB Recent EntriesRead More