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.
Metrics
Affected Vendors & Products
References
Link | Providers |
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https://mattermost.com/security-updates |
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History
Thu, 21 Aug 2025 18:15:00 +0000
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Metrics |
ssvc
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Thu, 21 Aug 2025 17:15:00 +0000
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Description | 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. | |
Title | Path traversal in image upload with preview overwrite | |
Weaknesses | CWE-22 | |
References |
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Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: Mattermost
Published: 2025-08-21T17:01:42.866Z
Updated: 2025-08-21T17:30:45.951Z
Reserved: 2025-06-21T00:52:35.389Z
Link: CVE-2025-6465

Updated: 2025-08-21T17:21:05.309Z

Status : Received
Published: 2025-08-21T17:15:32.707
Modified: 2025-08-21T17:15:32.707
Link: CVE-2025-6465

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