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CVE-2025-55070

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CVE-2025-55070

Published: Nov 14, 2025

Modified: Nov 14, 2025

PUBLISHED

CVSS v3.1

6.5

MEDIUM

Description

Mattermost versions <11 fail to enforce multi-factor authentication on WebSocket connections which allows unauthenticated users to access sensitive information via WebSocket events

VendorProductVersions

Mattermost

Mattermost

affected
<11 - <= <11
unaffected
11.0.0

Weaknesses (CWE)

CWE-306

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

References

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