CVE-2024-23488

Files of archived channels accessible with the “Allow users to view archived channels” option disabled

Published Feb 29, 2024 CVSS 3.1 · 3.1 Low EPSS < 1% KEV · Not listed
Description
Mattermost fails to properly restrict the access of files attached to posts in an archived channel, resulting in members being able to access files of archived channels even if the “Allow users to view archived channels” option is disabled.

Remediation

Vendor Solution

Update Mattermost Server to versions 9.5.0, 9.4.2, 8.1.9 or higher.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-0766 Mattermost fails to properly restrict the access of files attached to posts in an archived channel, resulting in members being able to access files of archived channels even if the “Allow users to view archived channels” option is disabled.
Github GHSA Github GHSA GHSA-xgxj-j98c-59rv Mattermost fails to properly restrict the access of files attached to posts
References
History
Type Values Removed Values Added
First Time appeared Mattermost
Mattermost mattermost Server
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Vendors & Products Mattermost
Mattermost mattermost Server
Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Aug 1, 2024, 11:06 PM
Reserved
Feb 26, 2024, 8:14 AM
Status
Analyzed
Published
Feb 29, 2024, 8:15 AM
Modified
Jun 17, 2026, 7:13 AM