CVE-2025-9079

EUVD-2025-30242
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
Path Traversal
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
MattermostCNA
8 HIGH
NETWORK
HIGH
HIGH
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 16%
Affected Products (NVD)
VendorProductVersion
mattermostmattermost_server
9.11.0 ≤
𝑥
< 9.11.18
mattermostmattermost_server
10.5.0 ≤
𝑥
< 10.5.9
mattermostmattermost_server
10.8.0 ≤
𝑥
< 10.8.4
mattermostmattermost_server
10.9.0 ≤
𝑥
< 10.9.4
mattermostmattermost_server
10.10.0 ≤
𝑥
< 10.10.2
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
mattermostmattermost
10.8.0 ≤
𝑥
≤ 10.8.3
CNA
mattermostmattermost
10.5.0 ≤
𝑥
≤ 10.5.8
CNA
mattermostmattermost
9.11.0 ≤
𝑥
≤ 9.11.17
CNA
mattermostmattermost
10.10.0 ≤
𝑥
≤ 10.10.1
CNA
mattermostmattermost
10.9.0 ≤
𝑥
≤ 10.9.3
CNA
Common Weakness Enumeration
References
https://mattermost.com/security-updates