CVE-2025-24839

LOW

Mattermost 9.11.0-9.11.9 and 10.5.0-10.5.1 - Incorrect Authorization via Wrangler Plugin Override

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 3.1
EPSS 0.0015
EPSS Percentile 35.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-863
Status published
Products (2)
mattermost/mattermost 10.5.0 - 10.5.2Go
mattermost/mattermost_server 9.11.0 - 9.11.10
Published Apr 16, 2025
Tracked Since Feb 18, 2026