CVEvulnerability

CVE-2025-27571

4.3 MEDIUM Published 2025-04-16 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2025-04-16
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
Weaknesses
CWE-863

Description

Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to check the "Allow Users to View Archived Channels" configuration when fetching channel metadata of a post from archived channels, which allows authenticated users to access such information when a channel is archived.

Affected configurations

• mattermost mattermost server (>= 9.11.0 < 9.11.10) • mattermost mattermost server (>= 10.4.0 < 10.4.4) • mattermost mattermost server (>= 10.5.0 < 10.5.2)

Related

Weakness · CWE (1)

  • CWE-863 Incorrect Authorization weakness

References