A vulnerability was found in Mattermost up to 10.11.14/11.4.4/11.5.2/11.5.3/11.6.0. It has been declared as problematic. This issue affects some unknown processing of the component TIFF IFD Offset Handler. Executing a manipulation can lead to resource consumption.
This vulnerability is tracked as CVE-2026-5755. The attack can be launched remotely. No exploit exists.
It is recommended to upgrade the affected component.
