CVE-2026-2462

MEDIUM

6.6

Beschreibung

Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to restrict plugin installation on CI test instances with default admin credentials which allows an unauthenticated attacker to achieve remote code execution and exfiltrate sensitive configuration data including AWS and SMTP credentials via uploading a malicious plugin after changing the import directory. Mattermost Advisory ID: MMSA-2025-00528

CVE Details

CVSS v3.1 Bewertung6.6

SchweregradMEDIUM

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienHIGH

BenutzerinteraktionNONE

Veroffentlicht3/16/2026

Zuletzt geandert3/18/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

mattermost:mattermost_server

Schwachen (CWE)

CWE-863

Referenzen

https://mattermost.com/security-updates(responsibledisclosure@mattermost.com)

IOC Korrelationen

Keine Korrelationen erfasst

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