CVE-2022-1385 Invitation Email is resent as a Reminder after invalidating pending email invites

What is CVE-2022-1385?

CVE-2022-1385 is a low-severity vulnerability in Mattermost Mattermost Server, published on 19 Apr 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Mattermost 6.4.x and earlier fails to properly invalidate pending email invitations when the action is performed from the system console, which allows accidentally invited users to join the workspace and access information from the public teams and channels.

Weakness: CWE-668, CWE-664

Which versions are affected by CVE-2022-1385?

6 open source packages ship an affected version, including github.com/mattermost/mattermost-server/v6, mattermost and github.com/mattermost/mattermost-server. It affects 1 product.

Products include Mattermost Mattermost Server.

How do I fix CVE-2022-1385?

Upgrade github.com/mattermost/mattermost-server/v6 to 6.5.0 or later.

Is CVE-2022-1385 being exploited?

There is no known exploitation of CVE-2022-1385 in the wild and no public exploit code.

Other vulnerabilities in Mattermost Mattermost Server

• CVE-2025-12419 Account takeover on OAuth/OpenID-enabled servers Critical 9.9
• CVE-2025-12421 Account Takeover via Code Exchange Endpoint Critical 9.9
• CVE-2025-4981 Path Traversal Leading to RCE by Any Authenticated Mattermost User Critical 9.9
• CVE-2025-20051 Arbitrary file read via block duplication in Mattermost Boards Critical 9.9
• CVE-2025-25279 Arbitrary file read in Mattermost Boards via import & export board archive Critical 9.9

All Mattermost Mattermost Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-mattermost-2022-1385, GHSA-fxwj-v664-wv5g, GO-2022-0599.