CVE-2025-6233— Arbitrary file read by system admin via path traversal
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存在安全漏洞，该漏洞源于批量导入JSONL文件中文件附件路径未清理，可能导致系统管理员通过路径遍历读取任意系统文件。以下版本受到影响：10.8.1及之前的10.8.x版本、10.7.3及之前的10.7.x版本、10.5.7及之前的10.5.x版本、9.11.16及之前的9.11.x版本。
Possible ATT&CK Techniques 1 AI
T1552 · Unsecured Credentials
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I. Basic Information for CVE-2025-6233
Vulnerability Information
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Vulnerability Title
Arbitrary file read by system admin via path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost versions 10.8.x <= 10.8.1, 10.7.x <= 10.7.3, 10.5.x <= 10.5.7, 9.11.x <= 9.11.16 fail to sanitize input paths of file attachments in the bulk import JSONL file, which allows a system admin to read arbitrary system files via path traversal.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
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存在安全漏洞，该漏洞源于批量导入JSONL文件中文件附件路径未清理，可能导致系统管理员通过路径遍历读取任意系统文件。以下版本受到影响：10.8.1及之前的10.8.x版本、10.7.3及之前的10.7.x版本、10.5.7及之前的10.5.x版本、9.11.16及之前的9.11.x版本。
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 | 10.8.0 ~ 10.8.1 | - |
|
II. Public POCs for CVE-2025-6233
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mattermost · 2025-07-18 · 3 CVEs total
| CVE-2025-6226 | 6.5 MEDIUM | IDOR in CreatePost API allows for timeboxed message disclosure |
| CVE-2025-6227 | 2.2 LOW | Invite token is used as part of the secure communication |
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Same weakness: CWE-22
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V. Comments for CVE-2025-6233
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