CVE-2025-41436
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-14

Last updated on: 2025-11-17

Assigner: Mattermost, Inc.

Description
Mattermost versions <11.0 fail to properly enforce the "Allow users to view archived channels" setting which allows regular users to access archived channel content and files via the "Open in Channel" functionality from followed threads
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Meta Information
Published
2025-11-14
Last Modified
2025-11-17
Generated
2026-06-16
AI Q&A
2025-11-14
EPSS Evaluated
2026-06-15
NVD
CVE-2025-41436
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
mattermost mattermost_server to 11.0.0 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-863 The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
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Executive Summary

This vulnerability in Mattermost versions prior to 11.0 allows regular users to bypass the intended restriction on viewing archived channels. Specifically, the setting that should prevent users from accessing archived channel content is not properly enforced, enabling users to access archived messages and files through the 'Open in Channel' feature from followed threads.

Impact Analysis

The vulnerability can lead to unauthorized access to archived channel content and files by regular users, potentially exposing sensitive or confidential information that was intended to be restricted. This could result in information leakage within an organization.

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