CVE-2025-9079 — Path Traversal in Mattermost Mattermost-server

CWE-22 — Path Traversal5 documents4 sources
Severity
7.2HIGHNVD
CNA8.0
EPSS
0.0%
top 87.32%
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
PublishedSep 19
Latest updateSep 24

Description

Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.1, 10.9.x <= 10.9.3 fail to validate import directory path configuration which allows admin users to execute arbitrary code via malicious plugin upload to prepackaged plugins directory

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 1.2 | Impact: 5.9

Affected Packages4 packages

▶NVDmattermost/mattermost_server9.11.0 — 9.11.18+4
▶Gogithub.com/mattermost_mattermost-server9.11.0+incompatible — 9.11.18+incompatible+9
▶Gogithub.com/mattermost_mattermost_server_v8< 8.0.0-20250707221302-a8fa77f107ef
▶CVEListV5mattermost/mattermost10.8.0 — 10.8.3+4

🔴Vulnerability Details

4
OSV
Mattermost Path Traversal vulnerability in github.com/mattermost/mattermost-server↗2025-09-24
▶
CVEList
Admin RCE via prepackaged plugins by way of misconfigured imports directory↗2025-09-19
▶
GHSA
Mattermost Path Traversal vulnerability↗2025-09-19
▶
OSV
Mattermost Path Traversal vulnerability↗2025-09-19
▶
CVE-2025-9079 — Path Traversal | cvebase