CVE-2026-2299— Improper Access Control in Mattermost Google Drive Plugin File Creation Endpoint
Possible ATT&CK Techniques 1AI
T1530 · Data from Cloud StorageAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mattermost | Mattermost Google Drive Plugin | ≤ 1.0.0 | affected |
1.1.0 | unaffected |
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I. Basic Information for CVE-2026-2299
Vulnerability Information
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Vulnerability Title
Improper Access Control in Mattermost Google Drive Plugin File Creation Endpoint
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Mattermost | Mattermost Google Drive Plugin | 0 ~ 1.0.0 | - |
II. Public POCs for CVE-2026-2299
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Vendor Pages for CVE-2026-2299 (1)
IV. Related Vulnerabilities
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V. Comments for CVE-2026-2299
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