Mattermost
0 remedies
cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*
0 remedies
- >= 10.2.0, <= 10.2.0
- >= 9.11.0, <= 9.11.5
- >= 10.0.0, <= 10.0.3
- >= 10.1.0, <= 10.1.3
Mattermost Frontend Denial-of-Service Vulnerability
Vulnerability
A denial-of-service vulnerability has been identified in Mattermost versions 10.2.0, 9.11.5, 10.0.3, and 10.1.3. The issue arises because these versions do not properly validate the style of proto supplied to an action's style in post.props.attachments. This flaw allows an attacker to crash the frontend by sending crafted malicious input.
Impact
Exploitation of this vulnerability leads to a crash of the Mattermost frontend.
Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM
Vulnerability Rating
Custom Algorithm
spread
3.1impact
0.6exploitability
5.0remediation
0.0relevance
0.0threat
0.0urgency
2.9incentive
1.7Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.