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CVE-2025-3227

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CVE-2025-3227

Published: Jun 20, 2025

Modified: Jun 23, 2025

PUBLISHED

CVSS v3.1

4.3

MEDIUM

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.

VendorProductVersions

Mattermost

Mattermost

affected
10.5.0 - <= 10.5.5
affected
9.11.0 - <= 9.11.15
affected
10.8.0
affected
10.7.0 - <= 10.7.2
affected
10.6.0 - <= 10.6.5

+6 more versions

Weaknesses (CWE)

CWE-863

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

References

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