CVE-2026-4643

Published: Mag 18, 2026 Last Modified: Mag 18, 2026
ExploitDB:
Other exploit source:
Google Dorks:
LOW 3,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: required
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: low

Description

AI Translation Available

Mattermost Desktop App versions <=6.1 6.0.1 5.4.13.0 fail to prevent server-rendered content from closing an underlying application view in the Mattermost Desktop App which allows a malicious server or plugin to crash the desktop client via invoking {{window.close()}} in the renderer context, leading to a denial of service condition at the client level. Mattermost Advisory ID: MMSA-2026-00633

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0003
Percentile
0,1th
Updated

EPSS Score Trend (Last 2 Days)

754

Improper Check for Unusual or Exceptional Conditions

Incomplete
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Availability
Potential Impacts:
Dos: Crash, Exit, Or Restart Unexpected State
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: Medium
View CWE Details
https://mattermost.com/security-updates
https://mattermost.com/security-updates