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Mattermost Mobile Apps Post Prop Validation Vulnerability Leading to Crashes

Vulnerability

A vulnerability exists in Mattermost Mobile Apps in versions 2.22.0 and earlier, where the application fails to properly validate post properties. This flaw allows a malicious authenticated user to send a harmful post that can cause the app to crash.

Impact

Exploitation of this vulnerability leads to a denial-of-service condition, causing the application to crash.

Remediation

Users are advised to update to the latest version of the Mattermost Mobile App, as security updates are provided in the most recent releases.

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

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
2.5
exploitability
3.3
remediation
0.0
relevance
0.0
threat
0.0
urgency
2.9
incentive
0.8

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