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CVE Vulnerability Details :

CVE-2025-36530

PUBLISHED

More Info Official Page

Assigner-Mattermost

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

Published At-21 Aug, 2025 | 07:11

Updated At-21 Aug, 2025 | 13:50

▼CVE Numbering Authority (CNA)

Import Path Traversal Enables Unauthorized Unsigned Plugin Installation

Mattermost versions 10.9.x <= 10.9.1, 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17 fail to properly validate file paths during plugin import operations which allows restricted admin users to install unauthorized custom plugins via path traversal in the import functionality, bypassing plugin signature enforcement and marketplace restrictions.

Affected Products

Vendor

Mattermost, Inc.

Product

Mattermost

Default Status

unaffected

Versions

Affected

From 10.9.0 through 10.9.1 (semver)
From 10.8.0 through 10.8.3 (semver)
From 10.5.0 through 10.5.8 (semver)
From 9.11.0 through 9.11.17 (semver)

Unaffected

10.10.0
10.9.2
10.8.4
10.5.9
9.11.18

Problem Types

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

Metrics

Version	Base score	Base severity	Vector
3.1	6.8	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Solutions

Update Mattermost to versions 10.10.0, 10.9.2, 10.8.4, 10.5.9, 9.11.18 or higher.

Credits

finder

Dawid Kulikowski (daw10)

References

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

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Affected Products

Affected

Unaffected

Problem Types

Metrics

Metrics Other Info

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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