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CVE-2025-4981— Path Traversal Leading to RCE by Any Authenticated Mattermost User

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，该漏洞源于未清理存档提取器中的文件名，可能导致经过认证的用户通过上传带有路径遍历序列的文件名写入任意位置。

CVSS 9.9 · Critical EPSS 0.73% · P51
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I. Basic Information for CVE-2025-4981

Vulnerability Information
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Vulnerability Title
Path Traversal Leading to RCE by Any Authenticated Mattermost User
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 sanitize filenames in the archive extractor which allows authenticated users to write files to arbitrary locations on the filesystem via uploading archives with path traversal sequences in filenames, potentially leading to remote code execution. The vulnerability impacts instances where file uploads and document search by content is enabled (FileSettings.EnableFileAttachments = true and FileSettings.ExtractContent = true). These configuration settings are enabled by default.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
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，该漏洞源于未清理存档提取器中的文件名，可能导致经过认证的用户通过上传带有路径遍历序列的文件名写入任意位置。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Mattermost Mattermost 10.5.0 ~ 10.5.5 -

II. Public POCs for CVE-2025-4981

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III. Intelligence Information for CVE-2025-4981

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Same Patch Batch · Mattermost · 2025-06-20 · 3 CVEs total

CVE-2025-3228 4.3 MEDIUM Unauthorized Guest user access to Playbook
CVE-2025-3227 4.3 MEDIUM Unauthorized channel member management through playbook runs

IV. Related Vulnerabilities

Same product: Mattermost
Same vendor: Mattermost
Same weakness: CWE-427

V. Comments for CVE-2025-4981

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