CVE-2026-1628

Mattermost Desktop App versions <=5.13.3 fail to attach listeners restricting navigation to external sites within the Mattermost app which allows a malicious server to expose preload script functionality to untrusted servers via having a user open an external link in their Mattermost server. Mattermost Advisory ID: MMSA-2026-00596
References
Link Resource
https://mattermost.com/security-updates Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:*

History

05 Mar 2026, 16:07

Type Values Removed Values Added
First Time Mattermost
Mattermost mattermost Desktop
References () https://mattermost.com/security-updates - () https://mattermost.com/security-updates - Vendor Advisory
CPE cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:*

02 Mar 2026, 14:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-03-02 14:16

Updated : 2026-03-05 16:07


NVD link : CVE-2026-1628

Mitre link : CVE-2026-1628

CVE.ORG link : CVE-2026-1628


JSON object : View

Products Affected

mattermost

  • mattermost_desktop
CWE
CWE-829

Inclusion of Functionality from Untrusted Control Sphere