CVE-2023-47858 - Vulnerability Details - OpenCVE

Mattermost fails to properly verify the permissions needed for viewing archived public channels, allowing a member of one team to get details about the archived public channels of another team via the GET /api/v4/teams/<team-id>/channels/deleted endpoint.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0019.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Mattermost	Mattermost Server

Configuration 1 [-]

OR	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server::::::::

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2024-0444	Mattermost fails to properly verify the permissions needed for viewing archived public channels, allowing a member of one team to get details about the archived public channels of another team via the GET /api/v4/teams/<team-id>/channels/deleted endpoint.
Github GHSA	GHSA-w88v-pjr8-cmv2	Mattermost viewing archived public channels permissions vulnerability

Fixes

Solution

Update Mattermost Server to versions 8.1.7, 9.0.5, 9.1.4, 9.2.3 or higher.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://mattermost.com/security-updates

History

Tue, 17 Jun 2025 21:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: Mattermost

Published: 2024-01-02T09:54:25.057Z

Updated: 2025-06-17T20:29:05.638Z

Reserved: 2023-12-21T08:00:43.436Z

Link: CVE-2023-47858

Vulnrichment

Updated: 2024-08-02T21:16:43.686Z

NVD

Status : Modified

Published: 2024-01-02T10:15:08.117

Modified: 2024-11-21T08:30:55.513

Link: CVE-2023-47858

Redhat

No data.

OpenCVE Enrichment

No data.

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