CVE-2025-6233 — Path Traversal in Mattermost Mattermost-server

CWE-22 — Path Traversal5 documents4 sources
Severity
4.9MEDIUMNVD
CNA6.8
EPSS
0.1%
top 72.16%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Github.com Mattermost Mattermost-serverGithub.com Mattermost Mattermost Server V8Mattermost Server+1 more
Timeline
PublishedJul 18
Latest updateJul 29

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NExploitability: 1.2 | Impact: 3.6

Affected Packages4 packages

▶NVDmattermost/mattermost_server9.11.0 — 9.11.17+3
▶Gogithub.com/mattermost_mattermost_server_v8< 8.0.0-20250529054450-d38c27f96fcf
▶CVEListV5mattermost/mattermost10.8.0 — 10.8.1+3

🔴Vulnerability Details

4
OSV
Mattermost Path Traversal vulnerability in github.com/mattermost/mattermost-server↗2025-07-29
▶
OSV
Mattermost Path Traversal vulnerability↗2025-07-18
▶
CVEList
Arbitrary file read by system admin via path traversal↗2025-07-18
▶
GHSA
Mattermost Path Traversal vulnerability↗2025-07-18
▶
CVE-2025-6233 — Path Traversal | cvebase