CVE-2026-2299 (GCVE-0-2026-2299)

Vulnerability from cvelistv5 – Published: 2026-06-25 18:55 – Updated: 2026-06-26 14:05
VLAI?
Title
Improper Access Control in Mattermost Google Drive Plugin File Creation Endpoint
Summary
The Mattermost Google Drive plugin before version 1.1.0 fails to validate channel membership in the file creation endpoint, allowing authenticated users with a connected Google account to share Google Drive files to unauthorized private channels and disclose private channel membership.
Severity ?
4.2 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE
Assigner
References
Impacted products
Vendor Product Version
Mattermost Mattermost Google Drive Plugin Affected: 0 , ≤ 1.0.0 (semver)
Unaffected: 1.1.0
Create a notification for this product.
Credits
Lorenzo Gallegos
Show details on NVD website
To clipboard 

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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