CVE-2025-24839: Unauthorized AI bot activation via Wrangler plugin

Published Apr 16, 2025
·
Updated

Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to prevent Wrangler posts from triggering AI responses. This vulnerability allows users without access to the AI bot to activate it by attaching the activateai override property to a post via the Wrangler plugin, provided both the AI and Wrangler plugins are enabled.

Affected Software

8 affected componentsFixes available
Mattermost Mattermost<=10.5.1, <=10.4.3, <=9.11.9
go/github.com/mattermost/mattermost/server/v8<8.0.0-20250314142426-c049748b8863
8.0.0-20250314142426-c049748b8863
go/github.com/mattermost/mattermost/server/v8>=9.11.0<9.11.10
9.11.10
go/github.com/mattermost/mattermost/server/v8>=10.4.0<10.4.4
10.4.4
go/github.com/mattermost/mattermost/server/v8>=10.5.0<10.5.2
10.5.2
Mattermost Mattermost Server>=9.11.0<9.11.10
Mattermost Mattermost Server>=10.4.0<10.4.4
Mattermost Mattermost Server>=10.5.0<10.5.2

Remediation

Information

Update Mattermost to versions 10.6.0, 10.5.2, 10.4.4, 9.11.10 or higher.

Event History

Apr 16, 2025
CVE Published
via MITRE·07:44 AM
Data Sourced
via MITRE·07:44 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·08:15 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:15 AM
Affected Software
Advisory Published
via GitHub·09:32 AM
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Frequently Asked Questions

1

What is the severity of CVE-2025-24839?

CVE-2025-24839 is considered a high-severity vulnerability as it allows unauthorized activation of AI responses.

2

How do I fix CVE-2025-24839?

To fix CVE-2025-24839, you should update Mattermost to the latest version, ensuring you are beyond versions 10.5.1, 10.4.3, and 9.11.9.

3

What are the affected versions in CVE-2025-24839?

CVE-2025-24839 affects Mattermost versions up to and including 10.5.1, 10.4.3, and 9.11.9.

4

What does CVE-2025-24839 allow attackers to do?

CVE-2025-24839 allows attackers to trigger AI responses without proper authorization through manipulated posts.

5

Is user access impacted by CVE-2025-24839?

Yes, CVE-2025-24839 affects user access by enabling unauthorized users to activate AI features.

Company

Resources

Contact

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