CVE-2026-9602 | Mattermost Desktop App up to 5.6.13/6.0.2/6.2.x Payload Validator out-of-bounds write

July 17, 2026 Yanac

A vulnerability classified as problematic has been found in Mattermost Desktop App up to 5.6.13/6.0.2/6.2.x. This affects an unknown part of the component Payload Validator. This manipulation causes out-of-bounds write.

This vulnerability is tracked as CVE-2026-9602. The attack is possible to be carried out remotely. No exploit exists.VulDB Recent EntriesRead More