CVE-2025-3228— Unauthorized Guest user access to Playbook
Quick assessment
Affected
Mattermost Mattermost
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost 10.5.5及之前的10.5.x版本、9.11.15及之前的9.11.x版本、10.8.0及之前的10.8.x版本、10.7.2及之前的10.7.x版本和10.6.5及之前的10.6.x版本存在安全漏洞，该漏洞源于未正确检索playbooks处理程序中的请求者信息，可能导致攻击者访问playbook运行。
Possible ATT&CK Techniques 1 AI
T1528 · Steal Application Access Token
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I. Basic Information for CVE-2025-3228
Vulnerability Information
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Vulnerability Title
Unauthorized Guest user access to Playbook
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Mattermost 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost 10.5.5及之前的10.5.x版本、9.11.15及之前的9.11.x版本、10.8.0及之前的10.8.x版本、10.7.2及之前的10.7.x版本和10.6.5及之前的10.6.x版本存在安全漏洞，该漏洞源于未正确检索playbooks处理程序中的请求者信息，可能导致攻击者访问playbook运行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Mattermost | Mattermost | 10.5.0 ~ 10.5.5 | - |
|
II. Public POCs for CVE-2025-3228
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mattermost · 2025-06-20 · 3 CVEs total
| CVE-2025-4981 | 9.9 CRITICAL | Path Traversal Leading to RCE by Any Authenticated Mattermost User |
| CVE-2025-3227 | 4.3 MEDIUM | Unauthorized channel member management through playbook runs |
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V. Comments for CVE-2025-3228
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