CVEvulnerability

CVE-2025-6465

4.3 MEDIUM Published 2025-08-21 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2025-08-21
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
Weaknesses
CWE-22

Description

Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 10.10.x <= 10.10.0, 10.9.x <= 10.9.3 fail to sanitize file names which allows users with file upload permission to overwrite file attachment thumbnails via path traversal in file streaming APIs.

Affected configurations

• mattermost mattermost server (>= 10.5.0 < 10.5.9) • mattermost mattermost server (>= 10.8.0 < 10.8.4) • mattermost mattermost server (>= 10.9.0 < 10.9.4) • mattermost mattermost server 10.10.0

Related

Weakness · CWE (1)

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness

References