Mattermost Desktop App versions <=5.8.0 fail to safeguard screen capture functionality which allows an attacker to silently capture high-quality screenshots via JavaScript APIs.

Affected Packages

npm mattermost-desktop

Affected versions: 0 (fixed in 5.9.0)

Related CVEs

CVE-2024-39772

Key Information

GHSA ID

GHSA-5777-rcjj-9p22

Published

September 16, 2024 3:32 PM

Last Modified

November 18, 2024 4:27 PM

CVSS Score

5.0 /10

Primary Ecosystem

npm

Primary Package

mattermost-desktop

GitHub Reviewed

✓ Yes

Dataset

Last updated: August 2, 2025 6:46 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.