CVE-2026-16048 in Mattermost

Zusammenfassung

von VulDB • 17.08.2026

Mattermost versions 11.8.x <= 11.8.2, 11.7.x <= 11.7.6, 10.11.x <= 10.11.21 fail to restrict channel member role assignment to channel-scoped roles which allows a channel administrator to gain additional channel permissions via the channel member roles API.. Mattermost Advisory ID: MMSA-2026-00697

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• Zuständig: Mattermost
• Reservieren: 17.07.2026
• Veröffentlichung: 17.08.2026
• Moderieren: akzeptiert
• Eintrag: VDB-391299
• CPE: bereit
• CWE: CWE-275 (bestätigt)
• CVSS: 6.3 (CNA)
• EPSS: 0.00000
• KEV: nein
• Aktivitäten: very low
• Sektor: Hostingprovider, Education, ...

Quellen

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-16048
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-16048
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-16048/