AUGUST 4, 2026
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Case File

CVE-2025-3227

MEDIUM · CVSS 4.3 EPSS 0.21%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-06-20 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.3. Exploitation may require the attacker to be authenticated.

CVE
CVE-2025-3227
Severity
MEDIUM
CVSS
4.3
EPSS
0.21%

Original NVD Description

Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly enforce channel member management permissions in playbook runs, allowing authenticated users without the 'Manage Channel Members' permission to add or remove users from public and private channels by manipulating playbook run participants when the run is linked to a channel.

Related CVEs

Other vulnerabilities affecting the same vendor(s)