Unrated
Path traversal in image upload with preview overwrite
CVE-2025-6465
First seen on SecPulse
Original description The description as published by the source.
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 10.10.x <= 10.10.0, 10.9.x <= 10.9.3 fail to sanitize file names which allows users with file upload permission to overwrite file attachment thumbnails via path traversal in file streaming APIs.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
References
- advisory github.com
- advisory nvd.nist.gov
- web mattermost.com