CVE-2026-6343 | Mattermost up to 10.11.13/11.4.3/11.5.1/11.5.x authorization

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A vulnerability labeled as problematic has been found in Mattermost up to 10.11.13/11.4.3/11.5.1/11.5.x. The affected element is an unknown function. The manipulation results in incorrect authorization.

This vulnerability was named CVE-2026-6343. The attack may be performed from remote. There is no available exploit.

The affected component should be upgraded.VulDB Recent EntriesRead More