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Mattermost Server CVE-2025-3228

| EUVDEUVD-2025-18757 MEDIUM
Incorrect Authorization (CWE-863)
2025-06-20 responsibledisclosure@mattermost.com GHSA-4578-6gjh-f2jm
4.3
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
SUSE
MEDIUM
qualitative

Primary rating from NVD.

CVSS VectorNVD

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

Lifecycle Timeline

4
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
EUVD ID Assigned
Mar 15, 2026 - 00:19 euvd
EUVD-2025-18757
Analysis Generated
Mar 15, 2026 - 00:19 vuln.today
CVE Published
Jun 20, 2025 - 15:15 nvd
MEDIUM 4.3

DescriptionCVE.org

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 retrieve requestorInfo from playbooks handler for guest users which allows an attacker access to the playbook run.

Analysis

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 retrieve requestorInfo from playbooks handler for guest users which allows an attacker access to the playbook run.

Technical ContextAI

This vulnerability is classified as Incorrect Authorization (CWE-863).

RemediationAI

Monitor vendor advisories for patches. Apply mitigations such as network segmentation, access restrictions, and monitoring.

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Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to properly validate inp

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Mattermost versions 11.0.x <= 11.0.2, 10.12.x <= 10.12.1, 10.11.x <= 10.11.4, 10.5.x <= 10.5.12 fail to to verify that t

CVE-2025-12419 CRITICAL
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Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to use prepared statemen

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Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to correctl

CVE-2023-45316 HIGH
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Mattermost fails to validate if a relative path is passed in /plugins/playbooks/api/v0/telemetry/run/<telem_run_id> as a

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Mattermost fails to restrict a user with permissions to edit other users and to create personal access tokens from eleva

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Mattermost version 6.4.x and earlier fails to properly check the plugin version when a plugin is installed from the Mark

Vendor StatusVendor

Debian

Bug #823556
mattermost-server
Release Status Fixed Version Urgency
open - -

SUSE

Severity: Medium
Product Status
SUSE Linux Enterprise Server 16.0 Fixed
openSUSE Tumbleweed Fixed

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CVE-2025-3228 vulnerability details – vuln.today

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