ByteOS Network

CVE Vulnerability Details :

CVE-2025-6465

PUBLISHED

More Info Official Page

Assigner-Mattermost

Assigner Org ID-9302f53e-dde5-4bf3-b2f2-a83f91ac0eee

Published At-21 Aug, 2025 | 17:01

Updated At-21 Aug, 2025 | 17:30

▼CVE Numbering Authority (CNA)

Path traversal in image upload with preview overwrite

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.

Affected Products

Vendor

Mattermost, Inc.

Product

Mattermost

Default Status

unaffected

Versions

Affected

From 10.8.0 through 10.8.3 (semver)
From 10.5.0 through 10.5.8 (semver)
10.10.0 (semver)
From 10.9.0 through 10.9.3 (semver)

Unaffected

10.11.0
10.8.4
10.5.9
10.10.1
10.9.4

Problem Types

Type	CWE ID	Description
CWE	CWE-22	CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Type: CWE

CWE ID: CWE-22

Description: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Metrics

Version	Base score	Base severity	Vector
3.1	4.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Version: 3.1

Base score: 4.3

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Solutions

Update Mattermost to versions 10.11.0, 10.8.4, 10.5.9, 10.10.1, 10.9.4 or higher.

Credits

finder

daw10

References

Hyperlink	Resource
https://mattermost.com/security-updates	N/A

Hyperlink: https://mattermost.com/security-updates

Resource: N/A

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Affected Products

Affected

Unaffected

Problem Types

Metrics

Metrics Other Info

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Solutions

Configurations

Workarounds

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Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References