CVEvulnerability

CVE-2025-47871

5.4 MEDIUM Published 2025-06-30 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2025-06-30
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:N/I:L/A:N
CVSS 3.1 ([email protected])
5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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 validate channel membership when retrieving playbook run metadata, allowing authenticated users who are playbook members but not channel members to access sensitive information about linked private channels including channel name, display name, and participant count through the run metadata API endpoint.

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