CVE-2025-3913: Team Privacy Settings Authorization Bypass in Mattermost Server

Published May 29, 2025
·
Updated

Mattermost versions 10.7.x <= 10.7.0, 10.6.x <= 10.6.2, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fail to properly validate permissions when changing team privacy settings, allowing team administrators without the 'invite user' permission to access and modify team invite IDs via the /api/v4/teams/:teamId/privacy endpoint.

Affected Software

10 affected componentsFixes available
Mattermost Mattermost Server<10.7.0, <10.6.2, <10.5.3, <9.11.12
go/github.com/mattermost/mattermost/server/v8<8.0.0-20250412152950-02c76784380a
8.0.0-20250412152950-02c76784380a
go/github.com/mattermost/mattermost/server/v8>=9.0.0-rc1<9.11.13
9.11.13
go/github.com/mattermost/mattermost/server/v8>=10.5.0-rc1<10.5.4
10.5.4
go/github.com/mattermost/mattermost/server/v8>=10.6.0-rc1<10.6.3
10.6.3
go/github.com/mattermost/mattermost/server/v8>=10.7.0-rc1<10.7.1
10.7.1
Mattermost Mattermost Server>=9.11.0<9.11.13
Mattermost Mattermost Server>=10.5.0<10.5.4
Mattermost Mattermost Server>=10.6.0<10.6.3
Mattermost Mattermost Server>=10.7.0<10.7.1

Remediation

Information

Update Mattermost to versions 10.8.0, 10.7.1, 10.6.3, 10.5.4, 9.11.13 or higher.

Event History

May 29, 2025
CVE Published
via MITRE·03:10 PM
Data Sourced
via MITRE·03:10 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·04:15 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:15 PM
Affected Software
Advisory Published
via GitHub·06:31 PM
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Frequently Asked Questions

1

What is the severity of CVE-2025-3913?

CVE-2025-3913 is classified as a moderate severity vulnerability due to improper permission validation in Mattermost.

2

How do I fix CVE-2025-3913?

To fix CVE-2025-3913, upgrade to Mattermost versions 10.7.1, 10.6.3, 10.5.4, or 9.11.13 or later.

3

What are the affected versions for CVE-2025-3913?

CVE-2025-3913 affects Mattermost versions 10.7.0 and below, 10.6.2 and below, 10.5.3 and below, and 9.11.12 and below.

4

Can team administrators exploit CVE-2025-3913?

Yes, team administrators without the 'invite user' permission can exploit CVE-2025-3913 to access and modify team invite IDs.

5

What impact does CVE-2025-3913 have on Mattermost users?

CVE-2025-3913 can lead to unauthorized access to team invite links, potentially exposing sensitive information to unintended users.

Company

Resources

Contact

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