๐Ÿ›ก๏ธ CVE-2026-1628
๐ŸŸก CVSS 4.6 โ€” Medium โœ… No Known Exploit CWE-829 NVD
4.6
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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

Details

Severity MEDIUM
CVSS Score 4.6
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
CWE CWE-829
Public Exploit โœ… No
Source NVD
Published 2026-03-02
Updated 2026-06-02
Modified 2026-03-05
Fix URL N/A

Affected Packages

Software From version Fixed in
mattermost-desktop โ€” 5.13.4

References

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