CVEvulnerability

CVE-2026-1628

4.6 MEDIUM Published 2026-03-02 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2026-03-02
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.6 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Weaknesses
CWE-829

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

Affected configurations

• mattermost mattermost desktop (< 5.13.4)

Related

Weakness · CWE (1)

  • CWE-829 Inclusion of Functionality from Untrusted Control Sphere weakness

References