PT-2026-52566 · Mattermost · Mattermost Google Drive Plugin

Lorenzo Gallegos · Publicado 2026-06-25 · Atualizado 2026-06-25 · CVE-2026-2299

NVD

CVSS v3.1

4.2

Média

Vetor base

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

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.

Correção

Missing Authorization

Enumeração de Fraquezas

CWE-862

Identificadores relacionados

CVE-2026-2299

Produtos afetados

Mattermost Google Drive Plugin

Referências · 2

• https://github.com/mattermost/mattermost-plugin-google-drive/releases/tag/v1.1.0 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-2299 · Nota de Segurança