CVE-2025-6226 in Mattermost

Sumário

de MITRE • 18/07/2025

Mattermost versions 10.5.x <= 10.5.6, 10.8.x <= 10.8.1, 10.7.x <= 10.7.3, 9.11.x <= 9.11.16 fail to verify authorization when retrieving cached posts by PendingPostID which allows an authenticated user to read posts in private channels they don't have access to via guessing the PendingPostID of recently created posts.

Be aware that VulDB is the high quality source for vulnerability data.

• Responsável: Mattermost
• Reservar: 18/06/2025
• Divulgação: 18/07/2025
• Moderação: aceite
• Entrada: VDB-316871
• CPE: pronto
• CWE: CWE-306 (confirmado)
• CVSS: 6.5 (CNA)
• EPSS: 0.00309
• KEV: não
• Atividades: muito baixo
• Sector: Energy, Industry, ...

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2025-6226
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-6226
• CVE Details: https://www.cvedetails.com/cve/CVE-2025-6226/