NVD Vulnerability Detail
Search Exploit, PoC
CVE-2026-2299
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.

Publication Date June 26, 2026, 5:17 a.m.
Registration Date June 27, 2026, 4:30 a.m.
Last Update June 26, 2026, 11:17 p.m.
CVSS3.1 : MEDIUM
スコア 4.2
Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC)
攻撃に必要な特権レベル(PR)
利用者の関与(UI) 不要
影響の想定範囲(S) 変更なし
機密性への影響(C)
完全性への影響(I)
可用性への影響(A) なし
Related information, measures and tools
Common Vulnerabilities List