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Home / CVE DB / CVE-2026-3113
Standard
Vulnerability Identifier

CVE-2026-3113

2026-03-26
Severity Assessment
5.0
MEDIUM
CVSS v3.x Score
Clinical Analysis (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

Vector Sequencing

Attack Parameters

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Impact Consequences

Technical Impact

Unchanged
Scope
High
Confidentiality
None
Integrity
None
Availability
AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Weakness Classification

CWE-CWE-732

View CWE Details ↗
Affected Population

Affected Configurations

Total: 11 detected entries

Software List Scrollable
ma
mattermost_server
Vendor: mattermost • v10.11.2
ma
mattermost_server
Vendor: mattermost • v10.11.1
ma
mattermost_server
Vendor: mattermost • v10.11.4
ma
mattermost_server
Vendor: mattermost • v10.11.0
ma
mattermost_server
Vendor: mattermost • v10.11.6
ma
mattermost_server
Vendor: mattermost • v11.2.0
ma
mattermost_server
Vendor: mattermost • v10.11.8
ma
mattermost_server
Vendor: mattermost • v10.11.5
ma
mattermost_server
Vendor: mattermost • v10.11.3
ma
mattermost_server
Vendor: mattermost • v11.4.0
ma
mattermost_server
Vendor: mattermost • v10.11.7
Timeline

Time Line

PUBLICATION
26 Mar 2026
MODIFICATION
30 Mar 2026
Impact Statistics

Key Metrics

CVSS Score
5.0
MEDIUM
Products
11
Affected
Remediation Protocol

Recommended Solution

No automatic solution found. Check vendor references.
Patch Library
No direct patch listed in database.
Recommended Actions for Administrators

Immediate Action Plan

1. Inventory

Identify all affected systems in your infrastructure.

2. Assessment

Assess exposure and criticality for your organization.

3. Mitigation

Apply patches or available workarounds.

4. Verification

Test and confirm effectiveness of applied measures.

Sources & Bibliography
NIST NVD MITRE CVE External Reference ↗