Cloudanix VulnDB

CVE-2026-2462

Medium · 6.6

CVSS

6.6

EPSS

0.3%

Published

Mar 16, 2026

CISA due date

—

The record

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

Affected packages

Ecosystem Package Introduced Fixed

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