CVE-2025-3913

Team Privacy Settings Authorization Bypass in Mattermost Server

Description

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.

Remediation

Solution:

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

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Affected: Mattermost Mattermost
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2025-3913?
CVE-2025-3913 has been scored as a medium severity vulnerability.
How to fix CVE-2025-3913?
To fix CVE-2025-3913: Update Mattermost to versions 10.8.0, 10.7.1, 10.6.3, 10.5.4, 9.11.13 or higher.
Is CVE-2025-3913 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-3913 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-3913?
CVE-2025-3913 affects Mattermost Mattermost.
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