CVE-2025-24839

Unauthorized AI bot activation via Wrangler plugin

Published Apr 16, 2025 CVSS 3.1 · 3.1 Low EPSS < 1% KEV · Not listed
Description
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 activate_ai override property to a post via the Wrangler plugin, provided both the AI and Wrangler plugins are enabled.

Remediation

Vendor Solution

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

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-11360 Mattermost Incorrect Authorization vulnerability
Github GHSA Github GHSA GHSA-j639-m367-75cf Mattermost Incorrect Authorization vulnerability
References
History
Type Values Removed Values Added
First Time appeared Mattermost mattermost Server
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Vendors & Products Mattermost mattermost Server
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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 activate_ai override property to a post via the Wrangler plugin, provided both the AI and Wrangler plugins are enabled.
Title Unauthorized AI bot activation via Wrangler plugin
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Apr 16, 2025, 2:34 PM
Reserved
Apr 8, 2025, 7:50 AM
Status
Analyzed
Published
Apr 16, 2025, 8:15 AM
Modified
Jun 17, 2026, 8:59 AM