CVE-2026-8811 | SEPPmail Secure Email Gateway up to 15.0.4 Attachment File path traversal

June 18, 2026 Yanac

A vulnerability described as critical has been identified in SEPPmail Secure Email Gateway up to 15.0.4. The affected element is an unknown function of the component Attachment File Handler. Executing a manipulation can lead to path traversal.

This vulnerability is tracked as CVE-2026-8811. The attack can be launched remotely. No exploit exists.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More