Dashboard / CVE-2026-2299

CVE-2026-2299

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 59/100
Published: 2026-06-25 Modified: 2026-10-25 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Unchanged
C: Low
I: None
A: None

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.

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
mattermost google_drive < 1.1.0
mattermost google_drive 1.1.0
mattermost google_drive 1.1.0

References & Advisories (1)

Bug Bounty Relevance

59 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

4.3 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS — Exploitation Probability

0.20%
Raw Score 0.002010
Percentile 10.0%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00201
2026-10-28
0.00201

Intelligence Sources

nvd ref →

External Links