CVE-2026-3113 - Vulnerability Details - OpenCVE

Mattermost versions 11.4.x <= 11.4.0, 11.3.x <= 11.3.1, 11.2.x <= 11.2.3, 10.11.x <= 10.11.11 fail to set permissions on downloaded bulk export which allows other local users on the server to be able to read contents of the bulk export.. Mattermost Advisory ID: MMSA-2026-00593

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

No data.

References

Link	Providers
https://mattermost.com/security-updates

History

Thu, 26 Mar 2026 18:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 26 Mar 2026 16:45:00 +0000

Type	Values Removed	Values Added
Description		Mattermost versions 11.4.x <= 11.4.0, 11.3.x <= 11.3.1, 11.2.x <= 11.2.3, 10.11.x <= 10.11.11 fail to set permissions on downloaded bulk export which allows other local users on the server to be able to read contents of the bulk export.. Mattermost Advisory ID: MMSA-2026-00593
Title		mmctl export download command doesn’t restrict permissions to created file to file owner
Weaknesses		CWE-732
References		https://mattermost.com/security-updates
Metrics		cvssV3_1 `{'score': 5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N'}`

MITRE

Status: PUBLISHED

Assigner: Mattermost

Published: 2026-03-26T16:18:06.693Z

Updated: 2026-03-26T17:51:15.160Z

Reserved: 2026-02-24T10:59:55.681Z

Link: CVE-2026-3113

Vulnrichment

Updated: 2026-03-26T17:47:41.119Z

NVD

Status : Received

Published: 2026-03-26T17:16:42.307

Modified: 2026-03-26T17:16:42.307

Link: CVE-2026-3113

Redhat

No data.

OpenCVE Enrichment

No data.

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