CVE-2026-6957

Severity CVSS v4.0:

Pending analysis

Type:

CWE-22 Path Traversal

Publication date:

27/05/2026

Last modified:

27/05/2026

Description

Mattermost Plugins versions

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.00 HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

8.00

Severity 3.x

HIGH

References to Advisories, Solutions, and Tools

https://mattermost.com/security-updates