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Mattermost Command Execution Vulnerability in Archived Channels

Vulnerability

A vulnerability exists in Mattermost versions 10.4.x through 10.4.2, 10.3.x through 10.3.3, and 9.11.x through 9.11.8. These versions fail to properly restrict command execution in archived channels, allowing authenticated users to execute commands in those channels.

Impact

Exploitation of this vulnerability could lead to unauthorized command execution in archived channels, potentially allowing users to manipulate channel content or interactions.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
3.1
impact
0.6
exploitability
5.2
remediation
7.7
relevance
0.0
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.