CVE-2025-6227

Invite token is used as part of the secure communication

State: Published
Severity: 2.2 Low
Published: Jul 18, 2025
Updated: Jul 18, 2025
Reserved: Jun 18, 2025

Description

Mattermost versions 10.5.x <= 10.5.7, 9.11.x <= 9.11.16 fail to negotiate a new token when accepting the invite which allows a user that intercepts both invite and password to send synchronization payloads to the server that originally created the invite via the REST API.

Scores

CVSS	Score	Vector	Source
3.1	2.2 Low	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N	Mattermost

Weaknesses

CWE-522 Insufficiently Protected Credentials

Affected Products

Product	Versions
MattermostMattermost	10.5.0 through 10.5.7Affected 9.11.0 through 9.11.16Affected 10.9.0Not affected 10.5.8Not affected 9.11.17Not affected

References

https://mattermost.com/security-updates

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