CVE-2025-6465 (GCVE-0-2025-6465)

Vulnerability from cvelistv5 – Published: 2025-08-21 17:01 – Updated: 2025-08-21 17:30
VLAI?
Title
Path traversal in image upload with preview overwrite
Summary
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.
Severity ?
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
Impacted products
Vendor Product Version
Mattermost Mattermost Affected: 10.8.0 , ≤ 10.8.3 (semver)
Affected: 10.5.0 , ≤ 10.5.8 (semver)
Affected: 10.10.0 (semver)
Affected: 10.9.0 , ≤ 10.9.3 (semver)
Unaffected: 10.11.0
Unaffected: 10.8.4
Unaffected: 10.5.9
Unaffected: 10.10.1
Unaffected: 10.9.4
Create a notification for this product.
Credits
daw10
Show details on NVD website
To clipboard 

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.