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Status published
Medium
CVE-2025-3228
Unauthorized Guest user access to Playbook
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- hackit_bharat
References
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Affected Vendor
Mattermost
View all reports →Affected Software
Mattermost
Vulnerable Versions:
10.5.0, 9.11.0, 10.8.0, 10.7.0, 10.6.0, 10.9.0, 10.5.6, 9.11.16, 10.8.1, 10.7.3, 10.6.6
Timeline
Official Publish:
June 20th, 2025
Last Modified:
June 23rd, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N