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CVE-2025-3230— Bypass of System Admin User Deactivation Controls for Personal Access Tokens in Mattermost Server

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 10.7.0及之前的10.7.x版本、10.6.2及之前的10.6.x版本、10.5.3及之前的10.5.x版本和9.11.12及之前的9.11.x版本存在安全漏洞，该漏洞源于个人访问令牌失效不当，可能导致系统访问持续。

CVSS 5.4 · Medium EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1528 · Steal Application Access Token
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I. Basic Information for CVE-2025-3230

Vulnerability Information
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Vulnerability Title
Bypass of System Admin User Deactivation Controls for Personal Access Tokens in Mattermost Server
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost versions 10.7.x <= 10.7.0, 10.6.x <= 10.6.2, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fails to properly invalidate personal access tokens upon user deactivation, allowing deactivated users to maintain full system access by exploiting access token validation flaws via continued usage of previously issued tokens.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证算法的不正确实现
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 10.7.0及之前的10.7.x版本、10.6.2及之前的10.6.x版本、10.5.3及之前的10.5.x版本和9.11.12及之前的9.11.x版本存在安全漏洞，该漏洞源于个人访问令牌失效不当，可能导致系统访问持续。
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 10.7.0 -

II. Public POCs for CVE-2025-3230

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III. Intelligence Information for CVE-2025-3230

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Same Patch Batch · Mattermost · 2025-05-30 · 4 CVEs total

CVE-2025-2571 4.2 MEDIUM Google OAuth Authentication Bypass for Converted Bot Accounts
CVE-2025-3611 3.1 LOW Improper Access Control in Mattermost allows System Managers to view team details despite
CVE-2025-1792 3.1 LOW Improper Access Control in Mattermost Channel Member API

IV. Related Vulnerabilities

Same product: Mattermost
Same vendor: Mattermost
Same weakness: CWE-303

V. Comments for CVE-2025-3230

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