CVE-20XX-?

CVE-2026-2299

4.2 MEDIUM 0.2% exploit odds Fix listed Auth & access Web app

What it is

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.

At a glance

Exploitability
Can be exploited over the network with a low-privilege account. Limited direct impact.
Exploit odds
0.2% chance of exploitation in the next 30 days (EPSS).
Fix
A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

  1. PublishedDisclosed publicly on CVE.org and NVD
  2. Last updatedMost recent change to the record

Details

Published
Last modified
Exploit probability
0.2% · EPSS, next 30 days
Weakness
CWE-862 · Missing authorization
Record status
Analyzed

Affected

Attack profile CVSS 3.1 · 4.2

Attack vector
Network
Complexity
High
Privileges needed
Low
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Raw vector

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

Meme: I wake up, CVE-2026-2299
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Fix and advisories

References

NVD record · CVE.org record