CVE-2025-6233

Arbitrary file read by system admin via path traversal

State: Published
Severity: 6.8 Medium
Published: Jul 18, 2025
Updated: Jul 18, 2025
Reserved: Jun 18, 2025

Description

Mattermost versions 10.8.x <= 10.8.1, 10.7.x <= 10.7.3, 10.5.x <= 10.5.7, 9.11.x <= 9.11.16 fail to sanitize input paths of file attachments in the bulk import JSONL file, which allows a system admin to read arbitrary system files via path traversal.

Scores

CVSS	Score	Vector	Source
3.1	6.8 Medium	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N	Mattermost

Weaknesses

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

Product	Versions
MattermostMattermost	10.8.0 through 10.8.1Affected 10.7.0 through 10.7.3Affected 10.5.0 through 10.5.7Affected 9.11.0 through 9.11.16Affected 10.9.0Not affected 10.8.2Not affected 10.7.4Not affected 10.5.8Not affected 9.11.17Not affected

References

https://mattermost.com/security-updates

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