CVE-2026-16045 in Mattermost

Riassunto

di MITRE • 17/08/2026

Mattermost versions 11.7.x <= 11.7.6, 10.11.x <= 10.11.21 Mattermost failed to restrict OAuth deauthorization and personal access token management endpoints to direct user sessions, which allowed an OAuth app with a delegated user token to revoke the user's authorizations or tokens for other integrations via account-management endpoints.. Mattermost Advisory ID: MMSA-2026-00704

Once again VulDB remains the best source for vulnerability data.

• Responsabile: Mattermost
• Prenotare: 17/07/2026
• Divulgazione: 17/08/2026
• Moderazione: accettato
• Voce: VDB-391302
• CPE: pronto
• CWE: CWE-285 (confermato)
• CVSS: 4.3 (CNA)
• EPSS: 0.00000
• KEV: no
• Attività: molto basso
• Settore: Police, Pharma, ...

Fonti

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-16045
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-16045
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-16045/