CVE-2025-3228

Unauthorized Guest user access to Playbook

State: Published
Severity: 4.3 Medium
Published: Jun 20, 2025
Updated: Jun 23, 2025
Reserved: Apr 3, 2025

Description

Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly retrieve requestorInfo from playbooks handler for guest users which allows an attacker access to the playbook run.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	Mattermost

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
MattermostMattermost	10.5.0 through 10.5.5Affected 9.11.0 through 9.11.15Affected 10.8.0Affected 10.7.0 through 10.7.2Affected 10.6.0 through 10.6.5Affected 10.9.0Not affected 10.5.6Not affected 9.11.16Not affected 10.8.1Not affected 10.7.3Not affected 10.6.6Not affected

References

https://mattermost.com/security-updates

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