CVE-2025-58073

Published: Oct 16, 2025

Modified: Feb 26, 2026

PUBLISHED

CVSS v3.1

8.1

HIGH

Description

Mattermost versions 10.11.x <= 10.11.1, 10.10.x <= 10.10.2, 10.5.x <= 10.5.10 fail to verify a user has permission to join a Mattermost team using the original invite token which allows any attacked to join any team on a Mattermost server regardless of restrictions via manipulating the OAuth state.

Vendor	Product	Versions
Mattermost	Mattermost	affected `10.11.0 - <= 10.11.1` affected `10.10.0 - <= 10.10.2` affected `10.5.0 - <= 10.5.10` unaffected `10.12.0` unaffected `10.11.2` +2 more versions

Weaknesses (CWE)

CWE-862

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

References

https://mattermost.com/security-updates

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CVE-2025-58073

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References