CVE-2026-6345

Mattermost advisory CVE-2026-6345 affects Mattermost versions 11.4.x ≤ 11.4.3, 11.5.x ≤ 11.5.1 and 10.11.x ≤ 10.11.13. The issue is described as failing to prevent disclosure of created user passwords during the Slack import process, which could allow a malicious actor to impersonate a user using...