CVE-2025-8023
MEDIUMMattermost 9.11.0-9.11.17 10.5.0-10.5.8 10.8.0-10.8.3 10.9.0-10.9.2 - Path Traversal via Template File
Title source: llmDescription
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.9.x <= 10.9.2 fails to sanitize path traversal sequences in template file destination paths, which allows a system admin to perform path traversal attacks via malicious path components, potentially enabling malicious file placement outside intended directories.
References (1)
Core 1
Core References
Vendor Advisory
https://mattermost.com/security-updates
Scores
CVSS v3
6.8
EPSS
0.0010
EPSS Percentile
27.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-22
Status
published
Products (4)
mattermost/mattermost
0 - 8.0.0-20250708065844-b38e2eccda18Go
mattermost/mattermost-server
0 (2 CPE variants)Go
mattermost/mattermost-server
10.8.0 - 10.8.4Go
mattermost/mattermost_server
9.11.0 - 9.11.18
Published
Aug 21, 2025
Tracked Since
Feb 18, 2026