CVE-2025-44001— Unauthorized Channel Subscription Read in Mattermost Confluence Plugin
Quick assessment
Affected
Mattermost Mattermost Confluence Plugin
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 Confluence Plugin是美国Mattermost公司的一个插件。 Mattermost Confluence Plugin 1.5.0之前版本存在安全漏洞，该漏洞源于未检查用户对通道的访问权限，可能导致信息泄露。
Possible ATT&CK Techniques 1 AI
T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2025-44001
Vulnerability Information
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Vulnerability Title
Unauthorized Channel Subscription Read in Mattermost Confluence Plugin
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the channel which allows attackers to get channel subscription details without proper access to the channel via API call to the Get Channel Subscriptions details endpoint.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Mattermost Confluence Plugin 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mattermost Confluence Plugin是美国Mattermost公司的一个插件。 Mattermost Confluence Plugin 1.5.0之前版本存在安全漏洞，该漏洞源于未检查用户对通道的访问权限，可能导致信息泄露。
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 Confluence Plugin | 0 ~ 1.5.0 | - |
|
II. Public POCs for CVE-2025-44001
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mattermost · 2025-08-11 · 13 CVEs total
| CVE-2025-52931 | 7.5 HIGH | Unexpected input to Update Channel Subscription endpoint causes DoS in Mattermost Confluen |
| CVE-2025-54525 | 7.5 HIGH | Unexpected input to Create Channel Subscription endpoint causes DoS in Mattermost Confluen |
| CVE-2025-44004 | 7.2 HIGH | Unauthenticated Channel Subscription Creation in Mattermost Confluence Plugin |
| CVE-2025-54478 | 7.2 HIGH | Unauthenticated Channel Subscription Edit in Mattermost Confluence Plugin |
| CVE-2025-48731 | 6.4 MEDIUM | Unauthorized Subscription Edit to Confluence Space in Mattermost Confluence Plugin |
| CVE-2025-53514 | 5.9 MEDIUM | Unexpected Input to Server Webhook endpoint Causes DoS in Mattermost Confluence Plugin |
| CVE-2025-54463 | 5.9 MEDIUM | Unexpected Input to Cloud Webhook endpoint Causes DoS in Mattermost Confluence Plugin |
| CVE-2025-54458 | 5.0 MEDIUM | Unauthorized Subscription Creation to Confluence Space in Mattermost Confluence Plugin |
| CVE-2025-53910 | 4.0 MEDIUM | Unauthorized Channel Subscription Edit in Mattermost Confluence Plugin |
| CVE-2025-8285 | 4.0 MEDIUM | Unauthorized Channel Subscription Creation in Mattermost Confluence Plugin |
| CVE-2025-49221 | 3.7 LOW | Unauthenticated Access to Channel Subscription in Mattermost Confluence Plugin |
| CVE-2025-53857 | 3.7 LOW | Lack of Authorization on Get Channel Subscriptions for Autocomplete in Mattermost Confluen |
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V. Comments for CVE-2025-44001
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