CVE-2023-47858

MediumCVSS 4.3/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-284

Affected software

Vendor	Product	Versions
Mattermost	Mattermost	<= 9.2.2; <= 9.1.3; <= 9.0.4; <= 8.1.6

References

https://mattermost.com/security-updatesVendor Advisory
https://mattermost.com/security-updatesVendor Advisory

Timeline

Published: Jan 2, 2024
Last modified: Jun 17, 2026
NVD status: Modified

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