CVE-2026-91181

CVE-2026-91181 affects Mattermost versions 11.9.0 and earlier, 11.8.4 and earlier, 11.7.7 and earlier, and 10.11.22 and earlier. The data retention teams endpoint (GET /api/v4/data_retention/policies/{policy_id}/teams) fails to sanitize Team objects, allowing an authenticated user with only the r...