CVEvulnerability

CVE-2025-3227

4.3 MEDIUM Published 2025-06-20 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2025-06-20
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weaknesses
CWE-863

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.

Affected configurations

• mattermost mattermost server (>= 9.11.0 < 9.11.16) • mattermost mattermost server (>= 10.5.0 < 10.5.6) • mattermost mattermost server (>= 10.6.0 < 10.6.6) • mattermost mattermost server (>= 10.7.0 < 10.7.3) • mattermost mattermost server 10.8.0

Related

Weakness · CWE (1)

  • CWE-863 Incorrect Authorization weakness

References