CVE-2025-55074
BaseFortify
Publication date: 2025-11-18
Last updated on: 2025-11-25
Assigner: Mattermost, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mattermost | mattermost_server | From 10.5.0 (inc) to 10.5.12 (exc) |
| mattermost | mattermost_server | From 10.11.0 (inc) to 10.11.4 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-NVD-CWE-noinfo |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in Mattermost versions 10.11.x up to 10.11.3 and 10.5.x up to 10.5.11, where the software fails to enforce access permissions on the Agents plugin. This flaw allows users to determine when other users have read channels by accessing channel member objects, which should normally be restricted.
How can this vulnerability impact me? :
The vulnerability can impact you by allowing unauthorized users to gain information about when other users have read certain channels. This could lead to privacy concerns or information disclosure about user activity within the platform, although it does not allow modification or deletion of data.