CVE-2026-2299

Name: CVE-2026-2299
Creator: NVD / NIST
Published: 2026-06-25T20:17:10.763+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.2/10EPSS 0.12%

Last modified Jun 26, 2026

This CVE is reserved or awaiting analysis. Details will appear once published by NVD.

Description

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.

Metrics

CVSS 3.1

4.2/10

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS Probability

0.12%

2.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

References

https://github.com/mattermost/mattermost-plugin-google-drive/releases/tag/v1.1.0

Timeline

Published: Jun 25, 2026
Last Modified: Jun 26, 2026
Status: Awaiting Analysis

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Source: NVD / NIST