CVE-2025-1412 Session Persistence After User-to-Bot Conversion

What is CVE-2025-1412?

CVE-2025-1412 is a low-severity vulnerability in Mattermost Mattermost Server, published on 24 Feb 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Mattermost versions 9.11.x <= 9.11.6, 10.4.x <= 10.4.1 fail to invalidate all active sessions when converting a user to a bot, with allows the converted user to escalate their privileges depending on the permissions granted to the bot.

Weakness: CWE-384

Which versions are affected by CVE-2025-1412?

10 open source packages ship an affected version, including github.com/mattermost/mattermost/server/v8, github.com/mattermost/mattermost-server and github.com/mattermost/mattermost-server/v5. It affects 1 product.

Products include Mattermost Mattermost Server.

How do I fix CVE-2025-1412?

Upgrade github.com/mattermost/mattermost/server/v8 to a fixed version for your release line: 8.0.0-20241217145510-faa7e4f2ea0c, 10.4.2 or 9.11.7.

Is CVE-2025-1412 being exploited?

There is no known exploitation of CVE-2025-1412 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 GHSA-rhvr-6w8c-6v7w, GO-2025-3482.